Perennans Stock Photos and Images

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Perennans Stock Photos and Images

Bitter rot (Gloeosporium perennans) lesion on apple fruit in store Stock Photo

RMBXA3F7–Bitter rot (Gloeosporium perennans) lesion on apple fruit in store

Common Rockcress, Arabis perennans, Boechera perennans, Wildflowers, Islands in the Sky, Canyonlands National Park, Utah, USA Stock Photo

RMDTDTG7–Common Rockcress, Arabis perennans, Boechera perennans, Wildflowers, Islands in the Sky, Canyonlands National Park, Utah, USA

Agrostis perennans Walter Tuck Agrostis perennans Walter Tuck. Stock Photo

RM2C1NBX4–Agrostis perennans Walter Tuck Agrostis perennans Walter Tuck.

archesnps 8708125729 Pretty rockcress (Arabis perennans) Stock Photo

RMH9XYYR–archesnps 8708125729 Pretty rockcress (Arabis perennans)

Arabis perennans S Watson Arabis perennans S Watson. Stock Photo

RM2BXCJ4B–Arabis perennans S Watson Arabis perennans S Watson.

Pretty rockcress (Arabis perennans) Stock Photo

RMM3D0TF–Pretty rockcress (Arabis perennans)

RMW2PKNE–Agrostis perennans BB-1913

RM2E0XD8E–Lessertia perennans.

RM2BTT9MY–Lessertia perennans DC.

Lessertia perennans DC.: flowering and fruiting stem with separate fruit. Coloured engraving after F. von Scheidl, 1776. Stock Photo

RM2H42TRN–Lessertia perennans DC.: flowering and fruiting stem with separate fruit. Coloured engraving after F. von Scheidl, 1776.

Salicornia plant that grows in salt marshes on beaches is tasty and healthy food. Stock Photo

RFRA25J7–Salicornia plant that grows in salt marshes on beaches is tasty and healthy food.

Annales des Sciences Naturelles Botaniques . alis, radice crassa sublignosa ut videtur perennans; caulibusipsis basi lignescentibus ; flagellis subteretibus levibus ; cirrhis complanatis;foliis lucidis, utroque diametro circiter decimetralibus, basi cordatis, crenato-dentatis, dentibus omnibus angulisque glandula rubente terminatis. Floresmasculini nunc solitarii, nunc plures aggregati, Cucumeris Melonis floribusmagnitudine aequales ; calycis tubo campanulato, dentibus angustis reflexisapice in glandulam rubram desinentibus ; corolla villosa, colore testaceo seupallide carneo et in luteolum ve Stock Photo

RM2AWNHH4–Annales des Sciences Naturelles Botaniques . alis, radice crassa sublignosa ut videtur perennans; caulibusipsis basi lignescentibus ; flagellis subteretibus levibus ; cirrhis complanatis;foliis lucidis, utroque diametro circiter decimetralibus, basi cordatis, crenato-dentatis, dentibus omnibus angulisque glandula rubente terminatis. Floresmasculini nunc solitarii, nunc plures aggregati, Cucumeris Melonis floribusmagnitudine aequales ; calycis tubo campanulato, dentibus angustis reflexisapice in glandulam rubram desinentibus ; corolla villosa, colore testaceo seupallide carneo et in luteolum ve

RMPG4B9Y–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. 288 USTILAGINEAE. Ust. perennans Eostr.^ This smut or dust-brand occurs frequently in the flowers of Arrhenatherum elatms (Fig. 157). The mycelium perennates in the rhizome. An UstUago nearly allied to the preceding one occurs also on Festuca pratensis, Lolium peren/ne, and other grasses. The Smut of Barley. There are really two species of UstUago found on barley, Fig. 15S.—i^siiiajo pereKmow. Spore-oulture jj-f Jmr

. Fig. 157.—Ustilago perennans on Arrhenatherum elatius (Oat grass). The grains are transformed into black smut-masses; the appearance of the infected spikelets is qviite distinct from that of the healthy one to the right, (v. Tiibeuf phot.) with Brefeld's view, that the fungus is introduced into fields with fresh farmyard manure. Kellermann and Swingle have found a smut on oat.s in America wliicli they distinguish as Ust. avenae var. levis. Ust. Kolleri Wiile. This is another species of oat-smut recently dis- tinguished ; it has smooth spores, and is said to cause even greater damage than Ust Stock Photo

RMMCK6MF–. Fig. 157.—Ustilago perennans on Arrhenatherum elatius (Oat grass). The grains are transformed into black smut-masses; the appearance of the infected spikelets is qviite distinct from that of the healthy one to the right, (v. Tiibeuf phot.) with Brefeld's view, that the fungus is introduced into fields with fresh farmyard manure. Kellermann and Swingle have found a smut on oat.s in America wliicli they distinguish as Ust. avenae var. levis. Ust. Kolleri Wiile. This is another species of oat-smut recently dis- tinguished ; it has smooth spores, and is said to cause even greater damage than Ust

RMDTDTF5–Common Rockcress, Arabis perennans, Boechera perennans, Wildflowers, Islands in the Sky, Canyonlands National Park, Utah, USA

Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplants00tube Year: 1897 USTILAGO. 287 ated best at 10' C, and not so well above IS'C. This conclusion is supported by experiments of Kellermann and Swingle. Xeither these investigators nor Jensen, however, agree ', Fio. 157.—Ustilago perennans on Arrhenatherum elating (Oat grass). The grains are transformed into black smut-masses ; the appearance of the infected spikelets is quite distinct from that of the healthy one to Stock Photo

RMT1H2EF–Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplants00tube Year: 1897 USTILAGO. 287 ated best at 10' C, and not so well above IS'C. This conclusion is supported by experiments of Kellermann and Swingle. Xeither these investigators nor Jensen, however, agree ', Fio. 157.—Ustilago perennans on Arrhenatherum elating (Oat grass). The grains are transformed into black smut-masses ; the appearance of the infected spikelets is quite distinct from that of the healthy one to

Lessertia perennans DC Lessertia perennans DC. Stock Photo

RM2C1G343–Lessertia perennans DC Lessertia perennans DC.

RFRA25N6–Salicornia plant that grows in salt marshes on beaches is tasty and healthy food.

British grasses and their employment in agriculture . Fig. 47. Alopecurus agrestis. About nat. size. unequal, membranous, and acute; the upper and larger glume isthree-nerved, and often of a purple colour; the lower glumehas a dorsal nerve only. The seeds of this species are often sooted or smutted owing to the attacks of Vstilago perennans,one of the smut fungi. The seeds consist of the spikelets minus the empty glumes; A. 5 66 Botanical Section [PT I r their length without the awn varies from 6-10 mm. The outerpalea of the lower flower bears a long (10 mm. or more) twistedand kneed dorsal Stock Photo

RM2AM2WCE–British grasses and their employment in agriculture . Fig. 47. Alopecurus agrestis. About nat. size. unequal, membranous, and acute; the upper and larger glume isthree-nerved, and often of a purple colour; the lower glumehas a dorsal nerve only. The seeds of this species are often sooted or smutted owing to the attacks of Vstilago perennans,one of the smut fungi. The seeds consist of the spikelets minus the empty glumes; A. 5 66 Botanical Section [PT I r their length without the awn varies from 6-10 mm. The outerpalea of the lower flower bears a long (10 mm. or more) twistedand kneed dorsal

$. Fig. 181.—^ Ergot on Paspalum. After Beal. REDTOP (Agrostis) Black-stem-rust {Puccinia graminis agrostis Erks.). — The rust is identical with that upon wheat and oats, though infection does not readily pass from one host to the other. Smut {Ustilago striceformis (West.) Niessl). — This is the smut described under timothy. It has been known to affect 30 per cent of the plants, and to reduce the seed yield from 300 hundredweight to 70 hundredweight. Anthracnose. See rye. TALL OATGRASS Smut (Ustilago perennans Rostr.). — This smut closely resembles that of oats, though the flower parts are not Stock Photo$

RMMCK9WH–. Fig. 181.—^ Ergot on Paspalum. After Beal. REDTOP (Agrostis) Black-stem-rust {Puccinia graminis agrostis Erks.). — The rust is identical with that upon wheat and oats, though infection does not readily pass from one host to the other. Smut {Ustilago striceformis (West.) Niessl). — This is the smut described under timothy. It has been known to affect 30 per cent of the plants, and to reduce the seed yield from 300 hundredweight to 70 hundredweight. Anthracnose. See rye. TALL OATGRASS Smut (Ustilago perennans Rostr.). — This smut closely resembles that of oats, though the flower parts are not

RMT1H2G5–Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplants00tube Year: 1897 288 USTILAGINKAE. Ust. perennans liostr. This smut or dust-brand occurs frequently in the Howers of Arrheiiafhcnmi clatius (Fig. 157). The mycelium perennates in the rhizome. An Ustilago nearly allied to the preceding one occurs also on Fcdnca prateiisis, Lolium 'prrennc, and other grasses. The Smut of Barley. There are really two species of Ustilago found on barley, ¥ui. i>.—Ustilago perennans.

RFR9J18H–Salicornia plant that grows in salt marshes on beaches is tasty and healthy food

. The book of grasses : an illustrated guide to the common grasses, and the most common of the rushes and sedges . fers in devel-oping a dorsal awn. BrownBent is often seen on lawnsand it is also quite commonnear the coastwise marshes ofNew England and New Jersey, where under thehot sunlight the widely open panicles of thisgrass rarely vary in colour from brown orbrownish purple, flecked with white by the smallanthers. Thin-grass {Agrostis perennans) is well de-scribed by its common name. The panicles arevery pale green, rarely tinged with purple, andthe short branches, with the branchlets and Stock Photo

RM2CHN852–. The book of grasses : an illustrated guide to the common grasses, and the most common of the rushes and sedges . fers in devel-oping a dorsal awn. BrownBent is often seen on lawnsand it is also quite commonnear the coastwise marshes ofNew England and New Jersey, where under thehot sunlight the widely open panicles of thisgrass rarely vary in colour from brown orbrownish purple, flecked with white by the smallanthers. Thin-grass {Agrostis perennans) is well de-scribed by its common name. The panicles arevery pale green, rarely tinged with purple, andthe short branches, with the branchlets and

. Fio. 157.—Ustilago perennans on Arrhenatherum elating (Oat grass). The grains are transformed into black smut-masses ; the appearance of the infected spikelets is quite distinct from that of the healthy one to the right, (v. Tubeuf phut.) with Brefeld's view, that the fungus is introduced into fields with fresh farmyard manure. Kellermann and Swingle have found a smut on oats in America whicli tliey distinguish as Vst. avenue var. levis. Ust. KoUeri Wille. This is another species of oat-smut recently dis- tinguished ; it has smooth spores, and is said to cause even greater damage than Ust. a Stock Photo

RMMCK67C–. Fio. 157.—Ustilago perennans on Arrhenatherum elating (Oat grass). The grains are transformed into black smut-masses ; the appearance of the infected spikelets is quite distinct from that of the healthy one to the right, (v. Tubeuf phut.) with Brefeld's view, that the fungus is introduced into fields with fresh farmyard manure. Kellermann and Swingle have found a smut on oats in America whicli tliey distinguish as Vst. avenue var. levis. Ust. KoUeri Wille. This is another species of oat-smut recently dis- tinguished ; it has smooth spores, and is said to cause even greater damage than Ust. a

RFR9J17R–Salicornia plant that grows in salt marshes on beaches is tasty and healthy food

. Bulletin. 1901-13. Agriculture; Agriculture. Agrostis perennans (Walt.) T^jckerm.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Washington Govt. Print. Off Stock Photo

RMRGYX0D–. Bulletin. 1901-13. Agriculture; Agriculture. Agrostis perennans (Walt.) T^jckerm.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Washington Govt. Print. Off

$. 288 USTILAGINKAE. Ust. perennans liostr.^ This smut or dust-brand occurs frequently in the Howers of Arrheiiafhcnmi clatius (Fig. 157). The mycelium perennates in the rhizome. An Ustilago nearly allied to the preceding one occurs also on Fcdnca prateiisis, Lolium 'prrennc, and other grasses. The Smut of Barley. There are really two species of Ustilago found on barley, ¥ui. i>^.—Ustilago perennans. Spore-culture Tj„f 7,,.,.,/,,; .,,-,,] JT^f ^,,i,]r, in plum-gelatine, (v. Tubeuf del.) ^^''- I^-OUIU ,inU Uhl. nUUa. Ust. hordei (I'ers.) {Ust. Jrmcni Itostr.) (Britain and U..S. America). Thi Stock Photo$

RMMCK67P–. 288 USTILAGINKAE. Ust. perennans liostr.^ This smut or dust-brand occurs frequently in the Howers of Arrheiiafhcnmi clatius (Fig. 157). The mycelium perennates in the rhizome. An Ustilago nearly allied to the preceding one occurs also on Fcdnca prateiisis, Lolium 'prrennc, and other grasses. The Smut of Barley. There are really two species of Ustilago found on barley, ¥ui. i>^.—Ustilago perennans. Spore-culture Tj„f 7,,.,.,/,,; .,,-,,] JT^f ^,,i,]r, in plum-gelatine, (v. Tubeuf del.) ^^''- I^-OUIU ,inU Uhl. nUUa. Ust. hordei (I'ers.) {Ust. Jrmcni Itostr.) (Britain and U..S. America). Thi

RFR9J192–Salicornia plant that grows in salt marshes on beaches is tasty and healthy food

. Bulletin. 1901-13. Agriculture; Agriculture. Aqrostis perennans -cstivalis Vasey.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Washington Govt. Print. Off Stock Photo

RMRGYWXW–. Bulletin. 1901-13. Agriculture; Agriculture. Aqrostis perennans -cstivalis Vasey.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Washington Govt. Print. Off

$. 288 USTILAGINEAE. Ust. perennans Eostr.^ This smut or dust-brand occurs frequently in the tiowers of Arrhenatherum elatius (Fig. 157). The mycelium perennates in the rhizome. An Ustilago nearly allied to the preceding one occurs also on Festuca iwatcn&is, Lolium pcrenne, and other grasses. The Smut of Barley. There are really two species of Udilago found on barley, ¥u:. ib^.—Ustilafjo iiermnans. Spore-culture jjf l^nvrlri anrl JUf tnirln in plum-gelatine, (v. Tubeuf del ) ^^''- 'wiaci dUQ USI. nUCia. Ust. hordei (Pers.) {Ust. Jcnseni Eostr.) (Britain and U.S. America). This has black sph Stock Photo$

RMMCK5D7–. 288 USTILAGINEAE. Ust. perennans Eostr.^ This smut or dust-brand occurs frequently in the tiowers of Arrhenatherum elatius (Fig. 157). The mycelium perennates in the rhizome. An Ustilago nearly allied to the preceding one occurs also on Festuca iwatcn&is, Lolium pcrenne, and other grasses. The Smut of Barley. There are really two species of Udilago found on barley, ¥u:. ib^.—Ustilafjo iiermnans. Spore-culture jjf l^nvrlri anrl JUf tnirln in plum-gelatine, (v. Tubeuf del ) ^^''- 'wiaci dUQ USI. nUCia. Ust. hordei (Pers.) {Ust. Jcnseni Eostr.) (Britain and U.S. America). This has black sph

RFRA25KN–Salicornia plant that grows in salt marshes on beaches is tasty and healthy food.

. Bulletin. 1901-13. Agriculture; Agriculture. 3ul. 68, Bureau of Plant Industry, U. S. Dupt nf Agriculture. Plate XXXIII. Aqrostis perennans elata iPursh) Hitchc.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Washington Govt. Print. Off Stock Photo

RMRGYWX7–. Bulletin. 1901-13. Agriculture; Agriculture. 3ul. 68, Bureau of Plant Industry, U. S. Dupt nf Agriculture. Plate XXXIII. Aqrostis perennans elata iPursh) Hitchc.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Washington Govt. Print. Off

$. 288 USTILAGINKAE. Ust. perennans lujstr.' This Hiuut or dust-brand occurs frequently in the Howers of Arrhenathervmi elatius (Fig. 157). The mycelium perennates in the rhi/ome. An Udihujo nearly allied to the preceding one occurs also on Feduca ^j/"«<t'/(.sis-, Loliicm ijereniie, and other grasses. The Smut of Barley. There are really two species of Ustilago found on barley, in plum-gelatine, (v. Tubeuf del) ^^'^- "u/ail dUO (JbC. uauu. Ust. hordei (Pers.) {Ust. Jenscni Kostr.) (Britain and U.S. America). This has black spherical spores (6*5 to 7"5;U in diameter), which ger Stock Photo$

RMMCK6MG–. 288 USTILAGINKAE. Ust. perennans lujstr.' This Hiuut or dust-brand occurs frequently in the Howers of Arrhenathervmi elatius (Fig. 157). The mycelium perennates in the rhi/ome. An Udihujo nearly allied to the preceding one occurs also on Feduca ^j/"«<t'/(.sis-, Loliicm ijereniie, and other grasses. The Smut of Barley. There are really two species of Ustilago found on barley, in plum-gelatine, (v. Tubeuf del) ^^'^- "u/ail dUO (JbC. uauu. Ust. hordei (Pers.) {Ust. Jenscni Kostr.) (Britain and U.S. America). This has black spherical spores (6*5 to 7"5;U in diameter), which ger

RFRA25MM–Salicornia plant that grows in salt marshes on beaches is tasty and healthy food.

RMRDD839–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. 288 USTILAGINEAE. Ust. perennans Eostr.^ This smut or dust-brand occurs frequently in the flowers of Arrhenatherum elatms (Fig. 157). The mycelium perennates in the rhizome. An UstUago nearly allied to the preceding one occurs also on Festuca pratensis, Lolium peren/ne, and other grasses. The Smut of Barley. There are really two species of UstUago found on barley, Fig. 15S.—i^siiiajo pereKmow. Spore-oulture jj-f Jmr

RFRA26DP–Salicornia plant that grows in salt marshes on beaches is tasty and healthy food.

. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. 130 BULLETIN 772, U. S. DEPARTMENT OF AGEICULTURE. This is an important range grass. Common on the Pacific slope is A. diegoensis Vasey, with creeping rhizomes, spreading panicles, and often awned spikelets. 'â 'iw-^. Two native species belonging to the group in which the palea is lacking are common in the eastern United States. Agrostis perennans (Walt.) Tuckerm. is a woodland species with open panicle. Agrostis hiemalis (Walt.) B. S. P. (fig. 68) is a delicate open-ground species with very diffuse capillary pani- cle Stock Photo

RMRGB74H–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. 130 BULLETIN 772, U. S. DEPARTMENT OF AGEICULTURE. This is an important range grass. Common on the Pacific slope is A. diegoensis Vasey, with creeping rhizomes, spreading panicles, and often awned spikelets. 'â 'iw-^. Two native species belonging to the group in which the palea is lacking are common in the eastern United States. Agrostis perennans (Walt.) Tuckerm. is a woodland species with open panicle. Agrostis hiemalis (Walt.) B. S. P. (fig. 68) is a delicate open-ground species with very diffuse capillary pani- cle

RFRA25K4–Salicornia plant that grows in salt marshes on beaches is tasty and healthy food.

. Annales des Sciences Naturelles Botaniques. 398 CM. NAIDIIV Bryonia Panchèri Nob. B. monoica, fere glabra ; foliis palmato-5-lobis ; cirrhis bifidis ; floribus fœmineis solitariis, ovario oblongo, lageniformi, in bac- catn ovoideam apice conicam crescente. Planta radice et caulibus inferne frutescentibus ut videlur perennans, scandens, circiter 3-metralis ; flagellis gracilibus glaberrimis subteretibus aut obscure polyedris; cirrhis inaaqualiter bifidis. Folia 7-8centim. longa et lata vix puberula palmata profunde 5-loba, lobis tribus intermediis lanceolatis, duobus inferioribus saape etiam Stock Photo

RMRMW6X0–. Annales des Sciences Naturelles Botaniques. 398 CM. NAIDIIV Bryonia Panchèri Nob. B. monoica, fere glabra ; foliis palmato-5-lobis ; cirrhis bifidis ; floribus fœmineis solitariis, ovario oblongo, lageniformi, in bac- catn ovoideam apice conicam crescente. Planta radice et caulibus inferne frutescentibus ut videlur perennans, scandens, circiter 3-metralis ; flagellis gracilibus glaberrimis subteretibus aut obscure polyedris; cirrhis inaaqualiter bifidis. Folia 7-8centim. longa et lata vix puberula palmata profunde 5-loba, lobis tribus intermediis lanceolatis, duobus inferioribus saape etiam

. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 10. Agrostis perennans (Walt.) Tuckerm. Upland Bent-grass. Fig. 496, Cornucopiae perennans Walt. Fl. Car. 74. 1788. A. perennans Tuckerm. Am. Journ. Sci. 45: 44. 1843. Agrostis intermedia Scribn. Bull. Torr. Club, 20: 476. 1893. Not. Balb. 1801. A. pseudo-intermedia Farwell, Ann. Rep. Com. Parks & Boul. Detroit 11: 46. 1900. A. Scribneriana Nash, in Small, Stock Photo

RMRDK430–. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 10. Agrostis perennans (Walt.) Tuckerm. Upland Bent-grass. Fig. 496, Cornucopiae perennans Walt. Fl. Car. 74. 1788. A. perennans Tuckerm. Am. Journ. Sci. 45: 44. 1843. Agrostis intermedia Scribn. Bull. Torr. Club, 20: 476. 1893. Not. Balb. 1801. A. pseudo-intermedia Farwell, Ann. Rep. Com. Parks & Boul. Detroit 11: 46. 1900. A. Scribneriana Nash, in Small,

. Botanische Jahrbu?cher fu?r Systematik, Pflanzengeschichte und Pflanzengeographie. Botany; Plantengeografie; Paleobotanie; Taxonomie; Pflanzen. E. Gilg u. M. Brandt, Vitaceae afiicanae. 503 91. C. sesquipedalis Gilg in Engler, Pflanzenw. Ostafr. C (1895) p. 259. Kilimandscharo: in der Gras- und Obstgartensteppe im Buschwald unterhalb Marangu, 1000—1250 m ü. M. (Volkens n. 2159). 92. C. ad en 0 carp a Gilg et Brandt n. sp.; herba perennans erecta ecirrhosa, radice crasse tuberosa lignosa, caule crasso lignescente, tereti, longitudinaliter striato, ita ut petiolis, pedunculis, rhachi, pedicell Stock Photo

RMRH9AD4–. Botanische Jahrbu?cher fu?r Systematik, Pflanzengeschichte und Pflanzengeographie. Botany; Plantengeografie; Paleobotanie; Taxonomie; Pflanzen. E. Gilg u. M. Brandt, Vitaceae afiicanae. 503 91. C. sesquipedalis Gilg in Engler, Pflanzenw. Ostafr. C (1895) p. 259. Kilimandscharo: in der Gras- und Obstgartensteppe im Buschwald unterhalb Marangu, 1000—1250 m ü. M. (Volkens n. 2159). 92. C. ad en 0 carp a Gilg et Brandt n. sp.; herba perennans erecta ecirrhosa, radice crasse tuberosa lignosa, caule crasso lignescente, tereti, longitudinaliter striato, ita ut petiolis, pedunculis, rhachi, pedicell

. Beitrge zur Kryptogamenflora der Schweiz. . ^ Fig. 4 a. Aehre von Arrhenatherunt elatitis mit Ustilago perennans Rostrup. b. Sporen von Ustilago perennans (700). c Keimende Sporen von Ustilago perennans (700). naö; das Stäuben dehnt sich infolge hievon etwas länger aus. Immer- hin fällt die Zeit der Sporenreife mit der Blütezeit der Wirtpflanze zusammen. Als Nährpflanze ist einzig Arrhenatherum elatius (L.) M. u. K. beobachtet worden: Der Brandpilz ist in den Naturwiesen ziemlich. Please note that these images are extracted from scanned page images that may have been digitally enhanced for r Stock Photo

RMRHYB5R–. Beitrge zur Kryptogamenflora der Schweiz. . ^ Fig. 4 a. Aehre von Arrhenatherunt elatitis mit Ustilago perennans Rostrup. b. Sporen von Ustilago perennans (700). c Keimende Sporen von Ustilago perennans (700). naö; das Stäuben dehnt sich infolge hievon etwas länger aus. Immer- hin fällt die Zeit der Sporenreife mit der Blütezeit der Wirtpflanze zusammen. Als Nährpflanze ist einzig Arrhenatherum elatius (L.) M. u. K. beobachtet worden: Der Brandpilz ist in den Naturwiesen ziemlich. Please note that these images are extracted from scanned page images that may have been digitally enhanced for r

. Bulletin. Gramineae -- United States; Forage plants -- United States. 182. "» Fig. 478. Agrostis perennans (Walt.) Tudcerm. Am. Joiirn. Sci. 45:44. 1813. {Cor)iiic(>}>i<r])ercini(tiis'at.nSS.) rEiiENNiAi, Bent or Tiiix Grass.—A slender, sp;iiiii,uly branched, leafy per- ennial, with weak, ascending culms 3 to 7.5 dm. long, and dilVuse, capillary panicles 8 to 16 cm. lon.t,'. Spikelets 1..") to 2 mm. long, with acute empty glumes (a), which are a little longer than th.' glabrous flowering glume (&).—Damp, shaded places, Maine to Minnesota and Nebraska, southward to S Stock Photo

RMRH10FX–. Bulletin. Gramineae -- United States; Forage plants -- United States. 182. "» Fig. 478. Agrostis perennans (Walt.) Tudcerm. Am. Joiirn. Sci. 45:44. 1813. {Cor)iiic(>}>i<r])ercini(tiis'at.nSS.) rEiiENNiAi, Bent or Tiiix Grass.—A slender, sp;iiiii,uly branched, leafy per- ennial, with weak, ascending culms 3 to 7.5 dm. long, and dilVuse, capillary panicles 8 to 16 cm. lon.t,'. Spikelets 1..") to 2 mm. long, with acute empty glumes (a), which are a little longer than th.' glabrous flowering glume (&).—Damp, shaded places, Maine to Minnesota and Nebraska, southward to S

. Acta horti bergiani : Meddelanden från Kongl. Svenska Vetenskaps-Akademiens Trädgård Bergielund. Botany. v. B. WITTROCK. VIOLA-STUDIER T. 93 Dahlstedt. Ur frön, erhållna 1896 under namn af F. iricolor L. var. alpestris (Schleich.), från botaniska trädgården i Zürich, har jag uppdragit plantor, som också otvifvelaktigt höra hit. Subspec. II. Viola alpestris (DC.) Wittr. *valiombrosana Wittr. nov. subsp. Ic. tab. XIV, fig. 251—255; fig. 9 et 10 paginae 93 et 94. V. perennans; caulibus adscendentibus vel suberectis; pedunculis suberectis, folia paullum superantibus; foliis superioribus lanceola Stock Photo

RMRR3Y9T–. Acta horti bergiani : Meddelanden från Kongl. Svenska Vetenskaps-Akademiens Trädgård Bergielund. Botany. v. B. WITTROCK. VIOLA-STUDIER T. 93 Dahlstedt. Ur frön, erhållna 1896 under namn af F. iricolor L. var. alpestris (Schleich.), från botaniska trädgården i Zürich, har jag uppdragit plantor, som också otvifvelaktigt höra hit. Subspec. II. Viola alpestris (DC.) Wittr. *valiombrosana Wittr. nov. subsp. Ic. tab. XIV, fig. 251—255; fig. 9 et 10 paginae 93 et 94. V. perennans; caulibus adscendentibus vel suberectis; pedunculis suberectis, folia paullum superantibus; foliis superioribus lanceola

. Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae. Plant diseases; Parasitic plants; Fungi. USTILAGO. 287 ated best at 10" C, and not so well above IS^'C. This conclusion is supported by experiments of Kellermann and Swingle. Xeither these investigators nor Jensen, however, agree '^,. Fio. 157.—Ustilago perennans on Arrhenatherum elating (Oat grass). The grains are transformed into black smut-masses ; the appearance of the infected spikelets is quite distinct from that of the healthy one to the right, ( Stock Photo

RMRCC3H4–. Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae. Plant diseases; Parasitic plants; Fungi. USTILAGO. 287 ated best at 10" C, and not so well above IS^'C. This conclusion is supported by experiments of Kellermann and Swingle. Xeither these investigators nor Jensen, however, agree '^,. Fio. 157.—Ustilago perennans on Arrhenatherum elating (Oat grass). The grains are transformed into black smut-masses ; the appearance of the infected spikelets is quite distinct from that of the healthy one to the right, (

RMRCD67T–. Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae. Plant diseases; Parasitic plants; Fungi. USTILAGO. 287 ated best at 10" C, and not so well above 15" C. This conclusion is supported by experiments of Kellermann and Swindle. Neither these investigators nor Jensen, however, aqree. Fig. 157.—Ustilago perennans on Arrhenatherum elatius (Oat grass). The grains are transformed into black smut-masses; the appearance of the infected spikelets is qviite distinct from that of the healthy one to the right,

RMRCC301–. Diseases of plants induced by cryptogamuc parasites; introduction to the study of pathogenic fungi, slime-fungi, bacteria, and algae. English ed. by William G. Smith. Plant diseases; Parasitic plants. 288 USTILAGINEAE. Ust. perennans Eostr.^ This smut or dust-brand occurs frequently in the tiowers of Arrhenatherum elatius (Fig. 157). The mycelium perennates in the rhizome. An Ustilago nearly allied to the preceding one occurs also on Festuca iwatcn&is, Lolium pcrenne, and other grasses. The Smut of Barley. There are really two species of Udilago found on barley, ¥u:. ib^.—Ustilafjo iierm

RMRCC3H2–. Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae. Plant diseases; Parasitic plants; Fungi. 288 USTILAGINKAE. Ust. perennans liostr.^ This smut or dust-brand occurs frequently in the Howers of Arrheiiafhcnmi clatius (Fig. 157). The mycelium perennates in the rhizome. An Ustilago nearly allied to the preceding one occurs also on Fcdnca prateiisis, Lolium 'prrennc, and other grasses. The Smut of Barley. There are really two species of Ustilago found on barley, ¥ui. i>^.—Ustilago perennans. Spore-culture Tj

RMRCD67N–. Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae. Plant diseases; Parasitic plants; Fungi. 288 USTILAGINKAE. Ust. perennans lujstr.' This Hiuut or dust-brand occurs frequently in the Howers of Arrhenathervmi elatius (Fig. 157). The mycelium perennates in the rhi/ome. An Udihujo nearly allied to the preceding one occurs also on Feduca ^j/"«<t'/(.sis-, Loliicm ijereniie, and other grasses. The Smut of Barley. There are really two species of Ustilago found on barley, in plum-gelatine, (v. Tubeuf del) ^

RMRDXT70–. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 216 MANUAL OF POISONOUS PLANTS. Fig. 56. A. Oat Smut (.Ustilago avenae). From U. S. Dept. of Agrl. B. Tall Meadow Oat Smut {Ustilago perennans'). > Fig. 56a. Porcupine Grass Smut (.Ustilago hypodites) affecting parts of inflorescence and culm; a, spores, said by Dr. White to be an irritant. C. M. King.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colo

$. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 218 ^lANUAL OF POISONOUS PLANTS. Fig. 57, Smut spores of various kinds. 1. Tall meadow oat smut (UsHlago perennans). 2. Timothy smut (U. striae- formis). 3. Rye smut (Urocystis occulta). 4. Cheat smut {Ustilago bromivora). 5. Foxtail smut (U, neglecta). 6. Mil- Jet smut (U. panici miliacei). 7. Sandbur smut (U. Cesatii). 8, 9- Tilletia germinating, 10. Secondary spores from conid- ia. 11, 12. Urocystis spores germinating. 13, 14. Myc Stock Photo$

RMRDXT6W–. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 218 ^lANUAL OF POISONOUS PLANTS. Fig. 57, Smut spores of various kinds. 1. Tall meadow oat smut (UsHlago perennans). 2. Timothy smut (U. striae- formis). 3. Rye smut (Urocystis occulta). 4. Cheat smut {Ustilago bromivora). 5. Foxtail smut (U, neglecta). 6. Mil- Jet smut (U. panici miliacei). 7. Sandbur smut (U. Cesatii). 8, 9- Tilletia germinating, 10. Secondary spores from conid- ia. 11, 12. Urocystis spores germinating. 13, 14. Myc

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