RMRDH0WT–. A textbook of botany for colleges and universities ... Botany. Si6 ECOLOGY In Washington and in British Columbia the hemlock often germinates on stumps, logs, or standing trees, and has a subsequent history somewhat compa- rable to that of Ficus in the tropics. The banyan habit is illustrated on a small scale by Selaginella, especially in moist chamber cultures, where there develop rhizophores with numerous root hairs (figs. 735, 896). In the mangrove, roots are put forth much as in Ficus, but they branch profusely in the air and spread out laterally (fig. 741). So abundant are these roots i
RMRH8P21–. Botany of the living plant. Botany; Plants. LYCOPODIAI.I-.S 515 are microsporangia, containing main* sin.ill mi< rospores. In form I sporangia arc alike; they differ in the number and size of their contents. A mature microsporangium, with its subtending sporophyU and ligule, is shown in median section in Fig. 407. The line of deh cence is distal, where the cells of the wall are smallest, and the. Fig. 406. Selaginella inaequaiifolia. A, fertile branch, half natural size. B, its tip in longitudinal section, and enlarged, with microsporangia to the left, and D sporangia to the right. (After
RM2C1C862–Selaginella substipitata Spring Selaginella substipitata Spring.
RMRGKA6C–. Bulletin of the British Museum (Natural History). Botany; Botany. 262 A. H. G. ALSTON, A. C. JERMY & J. M. RANKIN. PLANTS OF PERU 1 2 OlC 53 re to VwMm^ G2S2 TYPE SPECIMEN 3EIACIKEUA QUMEIPiHIA Alaton Fig. 4 Selaginella quadrifaria Alston: Type specimen, Mexia 6282 (BM).. 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.. British Museum (Natural History). London : The Museum
RMRHYJYR–. Beginners botany. Botany. Fig. 301. —A Lycopodium WITH Sporangia in THE Axils of the Fo- liage Leaves. {Lyco- podium lucidulum.). Fig. 302. — A Ci.uB-Moss {^Lycopodium complanatum). as small yellow bodies in the axils of the ordinary leaves near the tip of the shoot; in other species (Fig. 302) they are borne in the axils of small scales that form a catkin-like spike. The spores are very numerous, and they contain an oil that makes them inflammable. About 100 species of lycopodium are known. The plants grown by florists under the name of lycopodium are of the genus Selaginella, more closely
RMRH7YWG–. Botany of the living plant. Botany; Plants. 482 BOTANY OF THE LIVING PLANT present purpose it will suffice to select a few examples, of which the most important will be some common Fern from the large series of the Filicales, and Selaginella from among the Lycopodiales. Filicales. The living Ferns include more than 7000 species, widely spread over the earth's surface from the Equator to the Arctic Regions. Some. Fig. 373. Dryopteris Filix-mas, Rich. Fertile leaf about one-sixth natural size, the lower part with the under surface exposed. To the left a single fertile segment, bearing kidney-s
RM2C1C86X–Selaginella tenerrima A Braun ex Kuhn
RMRDJ8TC–. Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany. Botany. Fig. 221. — Sections through spores of Selaginella as seen through a microscope. This shows their actual difference in size.. Fig. 222. — Selaginella. Sketches show- ing stages in the germination of the microspore and the development from it of the male gametophyte. A, ma- ture microspore. B, the microspore containing two cells; it has new ceased to be a spore; the male gametophyte has begun. C and D, later stages in the development of the male gametophyte
RMRDTP7W–. The fern allies of North America north of Mexico. Pteridophyta; Botany. 162 THE CREEPING SELAGINELLA GROUP. and become fresh and green again in a few hours,— a fact in itself almost as marvellous-as the stories told of it. The plants may be thus alternately dried and relaxed many times, but it should not be supposed that such plants are alive and will grow. The spreading of the fronds is simply due to the way in which the tissues absorb water. W^hen rooted in the soil of their native home, however, they do not die during drouth, and when they relax again in the rainy season new growth really
RMRDC7PB–. Studies in fossil botany . Paleobotany. LEPIDODENDRON 159 outwards, opening just above the scar, where the leaf itself was inserted (see Fig. 63). The print on the casts corresponds to the mouth of the ligular cavity. The presence of a ligule in Lepidodendreae is an interesting discovery, indicating affinity with Selaginella or Isoetes, rather than with Lycopodium, among recent members of the order. There are a few other facts which point in the same direction, but it is not likely. Fig. 63.—Lepidophlrios, sp. Radial section of a leaf-base from the same specimen as Fig. 62. v.b., vascular bu
RMRDBCDM–. Fossil plants : for students of botany and geology . Paleobotany. 50 LYCOPODIALES [CH. great majority of species, in the dimorphic character of the foliage leaves, which are usually arranged in four rows, the laminae of the upper rows being very much smaller than those of the lower (fig. 130, 1—3). The smaller leaves are shown more clearly in fig. 130, la. It is obvious from an examination of a. Fio. 130. Selaginella grandis. (1—3, nat. size.) Selaginella shoot, such as is shown in fig. 130, that in fossil specimens it would often be almost impossible to recognise the existence of two kinds
RM2C1JRCH–Selaginella semicordata Spring Selaginella semicordata Spring.
RMRDXG5W–. The origin of a land flora, a theory based upon the facts of alternation. Plant morphology. 332 LYCOPODIALES derivative. Of the former S. spimdosa, A. Br., is the best known, and it will be seen that its vascular anatomy, which differs from that of all other Selaginellas, shows points of interesting comparison on the one hand with Lycopodium, and on the other with the dendroid Club-Mosses. The hypocotyl, and the lower parts of the axis, with its branches, are traversed by a cylindrical stele, which is peculiar in having a central A H.G, F.E,. Fig. 173. Selaginella spinulosa. A. Transverse se
RMRDX1M3–. The fern allies of North America north of Mexico. Pteridophyta; Botany. THE SELAGINELLA RUPESTRIS GROUP. 141 differ from the ordinaiy foliage leaves only in being broader at base and having rather more numerous cilia. They are arranged in four ranks, a row on each of the four angles of the spike, with the bases closely over-lapping. The spikes are from half an inch to an inch long. After the spores have fallen, the sporophylls be- come reflexed, and the sporangia, split nearly into halves, spread out in the axils like small greenish flowers. The megas- porangia are supposed always to bear fo
RMRE2HR3–. A practical course in botany, with especial reference to its bearings on agriculture, economics, and sanitation. Botany. 504 507 508 Figs. 504—508. — A kind of pteridophyte (.Selaginella martensii) with its organs of fructification: 504, a, fruiting branch ; 505, a microsporophyll with a microsporan- gium, showing microspores through a rupture in the wall; 506, a megasporophyll with a megasporangium; 507, megaspores; 508, microspores. {From C<?uxteb'§ " Plant Structures."). Please note that these images are extracted from scanned page images that may have been digitally enhanced
RMRDA7WP–. Beginners' botany. Botany. Fig. 301. — A Lycopodium WITH Sporangia in THE Axn.s OF THE Fo- liage Leaves. (Lyco- podium lucidulum.). Fig. 302, — A Ci.uB-Moss (Lycopodium complanatum). as small yellow bodies in the axils of the ordinary leaves near the tip of the shoot; in other species (Fig. 302) they are borne in the axils of small scales that form a catkin-like spike. The spores are very numerous, and they contain an oil that makes them inflammable. About 100 species of lycopodium are known. The plants grown by florists under the name of lycopodium are of the genus Selaginella, more closely
RM2BXD9YF–Selaginella stellata Spring Selaginella stellata Spring.
RMRHYHXF–. Beginners' botany. Botany. Fig. 301. —A Lycopodium with Sporangia in the Axils of the Fo- liage LEAVES. {Lyco- podium lucidulum.). Fig, 302. —A Club-moss {Lycopodium complanatum). as small yellow bodies in the axils of the ordinary leaves near the tip of the shoot; in other species (Fig. 302) they are borne in the axils of small scales that form a catkin-like spike. The spores are very numerous, and they contain an oil that makes them inflammable. About 100 species of lycopodium are known. The plants grown by florists under the name of lycopodium are of the genus Selaginella, more closely al
RMRE2FA6–. Fundamentals of botany. Botany. Fig. 279.—Selaginella Walsoniana. Base of foliage leaf, showing ligule, L. Enlarged about 36 times.. Fig. 280.—Selaginella Sp. Photomicrograph of a longitudinal section through the tip of a cone, showing sporangia {sp), and ligules {lig.y (Cf. Fig. 268.). 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.. Gager, C. Stuart (Charles Stuart), 1872-1943. Philadelphia, P. Blakiston's son & co.
RMRPXJAH–. Text-book of botany, morphological and physiological. Botany. 470 VASCULAR CRYPTOGAMS. each two antherozoid-mother-cells, and therefore four in all. Pfeffer has confirmed the statements of Millardet that in Selaginella, long before the spores escape from the sporangium, a small sterile cell is first of all separated by a firm wall, while the other large cell breaks up into a number (6 to 8) of primordial cells (Fig. 331 A—D He found, however, their arrangement different in Selaginella Mariensii and caulescens from that which Millar det described in the case of S. Kraussiana, a variation whi
RMRDYCJ4–. The essentials of botany. Botany. THE OROUPB OF TISSUES, OB TISSUE-SYSTEMS 53 cheary portion is surrounded by a layer of elongated, thin- walled tissue â which is, at least in part, a sieve-tissue. In this and allied species the bundles are curiously isolated from the surrounding ground-tissues of the stem.. Fig. 35.âMagnified cross-section of the stem of a smaller Club-moss (Selaginella inEequifolia), showing three bundles. 90. The fibro-vascular bundle of the underground stem of the common Brake-fern (Pteris) is composed of trache- ary, sieve, and soft tissues and a small amount of poorly
RMRR22EP–. Our native ferns and their allies : with synoptical descriptions of the American Pteridophyta north of Mexico. Ferns. And Their Allies 45. sporang:ium in its axil. The sporangia open transversely and are one-celled except in Psilotum where they are three-celled. In a few species of Lycopodium the sporangia are borne near the summit of the fertile stems in the axils of ordinary leaves. The usual shape of the fruit bearing scales is represented in Fig. 34-36. 106. The spores of Lycopodium and Psilotum are of one kind (Fig. 34) but in Selaginella two kinds of spo- rangia are developed, the m,ic
RMRDPFMB–. My garden, its plan and culture together with a general description of its geology, botany, and natural history. Gardening. FERNERIES. 407 MARSILEAS. I have had two species of Marsileas in my fernery,—M. quadrifolia, a South European plant, and M. macropus, the Nardoo plant (fig. 929) of the Australian explorers. Both require to be grown in a pan of water, and flourish well during the summer, but there is some difficulty in keeping them during the winter.. Fig. 930.—Selaginella denticulata. Fig. 931.—S. Lyallii. Fig. gzg.—Nardoo plant. SELAGINELLAS. No fern-house can possibly be considered p
RM2C1JR12–Selaginella oaxacana Spring Selaginella oaxacana Spring.
RMRH4W1G–. Botany for high schools. Botany. Fig. 331. Selaginella with three fruiting spikes. (Sela- ginella apus.) Fig. 332. Fig. 333. Fig. 334. Fruiting spike. Large spor- Small spor- showing large and small sporangia. angium. 517. The fruiting spike or cone of Selaginella.—The sporophylls are usually in four rows over the end of the stems and branches, making a four-sided cone or. 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.. A
RMRDXH2J–. The origin of a land flora, a theory based upon the facts of alternation. Plant morphology. Fig. 25. Microspore of Selaginella apus, after germination. (After Miss Lyon.) Tig. 26. Microspore of Selaginella apus, just before extru- sion of the spermatozoids. (After Miss Lyon.) only four large megaspores. In both cases these result, like other spores,, from a tetrad division: the chief difference is in their size (Figs. 23, 24 b). But though the sporophyte is essentially unaltered, the changes in the gametophyte which accompany the heterosporous state are important. The prothallus is no longer
RMRFJ3EK–. Annual catalogue 1900 native and exotic plants, trees, shrubs. Nurseries (Horticulture) Florida Catalogs; Nursery stock Florida Catalogs; Tropical plants Catalogs; Palms Catalogs; Fruit trees Seedlings Catalogs; Citrus fruit industry Catalogs; Fruit Catalogs; Plants, Ornamental Catalogs. Selaginella Braimii. (See page 34.) P. incanum.* Resurrection Fern. A dwarf species, growing about 6 inches high, usually on the trunks of oaks and hickories. When the weather is damp the Fern is very noticeable, but in a drought the fronds are tightly curled. A pretty little sort, with tough leaves. loc. an
RMRDH0XJ–. A textbook of botany for colleges and universities ... Botany. Fig. 735. —A portion of a progeo- tropic rhizophore of Selaginella apus, densely clothed with horizontal root hairs, as a result of growth in a moist chamber; considerably magnified. Fig. 736.—A portion of the stem of a liana (Philodendron melanochrysum) with horizontal adventitious roots clasp- ing the trunk of a tree (Canarium), thus serving to anchor the liana to its sup- port. — From Went.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration a
RM2BXC7HY–Selaginella epirrhizos Spring Selaginella epirrhizos Spring.
RMRDF1E2–. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. LYCOPODINE^ 5" characteristic feature of the forest vegetation of those regions. A few belong to the more temperate parts of Europe and Amer- ica, and a small number, e. g., S. rupestris, S. kpidophylla, grow in dry situations. The Gametophyte Hofmeister (i) included Selaginella among the other Pteri- dophytes he studied, but he was unable to make out the earlier. Fig. 295.—A, B. C, Three views of the youn^ antheridium of Selaginella Kraussiana, X450; D, an older stage of the same, X480;
RMREF427–. A compendium of general botany. Plants. Fig. 129.—Macrospore with prothallium Fig. 130.—Longitudinal sec- and embryo of Marsilia salvatrix. tion through tlie tip of a (X 60.) (After Sachs.) fertile branch of Selaginella ineeqaalifolia. (After Sachs.) wh., and the mucous covering si which aids the spermatozoids in reaching the egg-cell; the root-hairs serve as a temporary attach- ment to the soil at the bottom of the water. Fig. 130 shows a. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of
RMRMCH8B–. Annual illustrated and descriptive catalogue of new, rare and beautiful plants. Tropical plants Catalogs; Nursery stock Florida Catalogs. THE AMERICAN EXOTIC NURSERIES, SEVEN OAKS, FLORIDA. I VITTARIA LINEATA. r A curious grass-like fern with long pendulous fronds. Found sparingly on the trunks of palm trees in extreme south Florida. 50 ets. each. SELAGINELLA. {Club Moss.) These curious plants are nearly always grown with ferns, and they require about the same treatment. The genus is a large one (some 300 species), and many of the species are remarkable for the beauty and delicacy of their f
RMRDWD0D–. Plants and their ways in South Africa. Botany; Botany. 234 Plants and their Ways in South Africa Adiantum, the Maiden Hair, may be known by the slender, black leafstalks and the fan-like veining. The sori are on the margins of the fronds, and the recurved edge of the frond forms an indusium. The sori are not continuous, as in Pteris. Selaginella belonging to the group Lycopodinece (Club mosses) is frequently seen in greenhouses. Several species are native to South Africa. At the tips of the branches sporangia are clustered to form a cone. In some spor- angia only one of the many spore mother
RM2C1M8WA–Selaginella armata Baker Selaginella armata Baker.
RMRDWAMM–. Plants; a text-book of botany. Botany. Igg PLANT STKUCTUEES tion to its food supply, is called the susperisor, and is a temporary organ of the embryo (Figs. 141, 142, et). At the end of the suspensor the real embryo develops, and when its regions become organized it shows the following parts : (1) a large foot buried among the nutritive cells of the prothallium and absorbing nourishment; (2) a root stretching out toward the substratum ; (3) a stem extend-. FiG. 142. Embryo of Selaginella removed from the gametopliyte, showing suspensor iet), root-tip (w), foot (/), cotyledons (W), stem-tip {
RM2C1E2T4–Selaginella flabellata L Selaginella flabellata L.
RMRDYDFJ–. Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany. Botany. This formula also indicates the life history of any seed plant, except that in seed plants there may be two kinds of strObili. Surely Selaginella throws Kght upon the evolution of seed plants ! We are not yet done, however. There is yet another feature of Selaginella to be considered which is also a feature of seed plants. Fi<5. 221. —Sections through rrit • ii r J. ' j.T i J 7 spores of Selaginella as seen This other feature is that the game- through
RMRF675E–. Native and exotic plants, trees & shrubs. Nursery stock Florida Catalogs; Nurseries (Horticulture) Florida Catalogs; Tropical plants Catalogs; Palms Catalogs; Fruit trees Seedlings Catalogs; Plants, Ornamental Catalogs. Ferns and Selaginellas 41. Selaginella Emiliana. PTERIS tremula, continued. and for all decorating. Grows 2 feet in height and makes a fine specimen plant. 10 cts. and 15 cts. each. P. VIctoriae. A delicately cut Fern, resembling P. eretica, but very much smaller; has variegated foliage. Fine species. 10 cts., 15 cts. and 20 cts. each. SELACINELLA. Club Moss. These delica
RMRDAA6X–. A text-book of botany for secondary schools. Botany. 216 A TEXT-BOOK OF BOTANY 1,? 203, D). Such a gametophyte has become so small that it can be seen only under the microscope. Among the cells formed, however, are two sperms. These sperms have no cilia, and hence it is evident that they do not reach the egg by swimming. The single large spore within the ovule (spo- rangium) is peculiar in never leaving it; that is, it is never shed, as are other spores. It pro- duces a many-celled fe- male gametophyte, just as does Selaginella (§ 118); and on this gametophyte archegonia are formed (Fig. 205
RMRDYDFP–. Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany. Botany. CLUB MOSSES 429. This formula also indicates the life history of any seed plant, except that in seed plants there may be two kinds of strObili. Surely Selaginella throws Kght upon the evolution of seed plants ! We are not yet done, however. There is yet another feature of Selaginella to be considered which is also a feature of seed plants. Fi<5. 221. —Sections through rrit • ii r J. ' j.T i J 7 spores of Selaginella as seen This other feature is that t
RMRPWXT8–. Text-book of botany, morphological and physiological. Botany. 474 VASCULAR CRYPTOGAMS. that of the embryo. Something of the same kind occurs in Selaginella ; the apical cell, which lies between the rudiments of the first two leaves, is divided by walls in such a manner that a four-sided apical cell is formed (Fig. 332 C, D), the segments of which arise in decussate pairs. In the fifth or sixth segment a second four-sided apical cell is now formed by a curved wall with the convexity turned towards the primary apical cell, so that a longitudinal section through the two apical cells cuts at rig
RM2C1KP5W–Selaginella chrysorrhizos Spring Selaginella chrysorrhizos Spring.
RMRDY7AM–. Botany of the living plant. Botany. Fig. 265 bis. Emhiyos ot Selaginella dentictdata, aiterBruchmaim. £/= suspensor. iCf/=root. /= foot. &6= basal wall. /:—hypocotyl. 5= apex. ^, A, ^ cotyledons, ^^ligule, (After Bruchmann.) formation of four spores from each tetrad. The microspores in each case are shed on rupture of the sporangial wall. In the ovule, as in the megasporangium of Selaginella a tetrad-division leads up to the formation of the megaspore. In both cases only one spore-mother- cell as a rule undergoes the division, but in both cases there may occasionally be more than one. In
RM2C1HNX3–Selaginella molliceps Spring Selaginella molliceps Spring.
RMRH4W16–. Botany for high schools. Botany. Fig. 335. Details of microspore and male prothallium of Selaginella; ist, microspore; 2d, wall removed to show small prothallial cell below; 3d. mature male prothallium still within the wall; 4th, small eel! below is the prothallial cell;the remainder is ant^heridium with wall and four sperm cells within; 5th, spermatozoid. (After Beliaieff and Pfetler.) strobilus. There is a single spore case at the base of each sporo- phyll. A few of the lower ones contain each a few very large spores, one to eight. These are called macros pores or mega- * The sporangia whi
RMRE2M8T–. Elementary botany. Botany. divisions of a mother cell in the nucellu three or four cells are all spores. Only one of them, however, the lower one, develops; the others are disorganized and disappear. The nucleus of the macrospore now divides several times to form several free nuclei in the now enlarg- ing cavity, much as the nu- cleus of the macrospore in Pig. 357. Selaginella and Isoetes divides . P°"«n g'f "5 °[ P'"e. One of them genriinat- ° mg. p' and p^, the two disintegrated prothalhal within the spore. The de- cells, = sterile part of male gametophyte; a.c, , , ,1 r , 1
RM2C1JRBJ–Selaginella remotifolia Spring Selaginella remotifolia Spring.
RMRDM91X–. 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. Genus i. SELAGINELLA FAMILY. i. Selaginella rupestris (L.) Spring. Rock Selaginella. Festoon-pine. Fig. 115 Lycopodium rupestre L. Sp. PI. 1101. 1753. Selaginella rupestris Spring in Mart. Fl. Bras. i2: 118. 1840. Stems densely tufted, with occasional sterile runners and sub-pinnate branches,. i'-3' high, commonly curved when dry. Leaves rigid, appressed-imbric
RMRJPFXY–. Autumn catalogue : 1904. Gardening Equipment and supplies Catalogs; Seeds Catalogs; Bulbs (Plants) Catalogs; Flowers Seeds Catalogs; Vegetables Seeds Catalogs. HENDERSON S GI.iNT "crystal white. PETER HENDEB50N t CO. Selaginella Emiliana. The best species for filling jardi- nieres or growing as single speci- mens; it is exceedingly ornamental. Price, plants from 2-inch pots, 10c. each, $1.00 per doz. Chinese Primrose. For winter flowers there is n« more desirable plant than the Chi- nese Primrose. They are easily grown and flower incessantly through- out the winter. Our plants com- pris
RMRDJGND–. The essentials of botany. Botany. 208 BOTANY. There are three orders of Lycopods, viz.: 437. The Club-Mosses [Order Lycopodiaceo^ are terres- trial plants with many small, generally moss-like leaves. Fio. 118.—A, part of branch of a Little Club-moss (Selaginella Inaequifolia), bearing a cone. Natural size. B, enlarged vertical section of a cone, showing spore-cases, with large and small spores. covering the stems. The spore-oearing leaves are often crowded towards the summits of certain branches, in some cases forming well-marked cones (Fig. 117, s). The spores. Please note that these images
RMRF7F2R–. Fruitland Nurseries : catalogue no. 2 1901. Nurseries (Horticulture) Georgia Augusta Catalogs; Trees Seedlings Catalogs; Plants, Ornamental Catalogs; Flowers Catalogs. SELAGINELLA EMILIANA. Selaginellas (mosses) Ten distinct varieties. Desirable for fern-dishes and rockeries. 10 cts. each, 75 cts. per 10. Selaginella Emiliana. A new upright-growing moss, with numerous feathery stems branching from the base and forming a dense tuft. Well-grown plants attain 12 to 18 inches in height and a corresponding diameter. We know of no moss superior to it, and it is exceedingly appropriate for table de
RMRH8NWD–. Botany of the living plant. Botany; Plants. B A Fig. 413. Embryos of Selaginella denliculata, after Bruchmann. el — suspensor. a/ = root. /=foot. W = basal wall. A=hypocotyl. s = ape.. k, ft1 = rotyledons. / = ligulc. (After Bruchmann.) vegetative region of the prothallus is reduced, and does not take part in active nutrition, the antheridium and the archegonium are in essential correspondence with the like parts in Ferns. After fertilisation the zygote secretes a protective wall, and elongat- ing in the axis of the archegonium, segments repeatedly (Fig. 412, VI.-VIII.)toform a filamentous
RM2C1JR1E–Selaginella confusa Spring Selaginella confusa Spring.
RMRH4TYM–. Botany for high schools. Botany. Fig. 336. Section of mature macro- spore of Selaginella, showing female prothallium and arche- gonia. (After Pfeffer.) Fig. 337. Mature female prothallium of Selaginella just bursting open the wall of rnacrosixjre, expos- ing archegonia. (After Pfeffer.) Fig. 338. Seeding of Selagi- nella still attached to the macrospore. (After Campbell.) spore (macrospore or megaspore) develops the female gamete plant. This never escapes from the spore wall. A mass of tissue is formed w^hich cracks open the spore wall, and the egg cases (archegonia) are developed in the exp
RM2BXCCP3–Selaginella serpens Desv ex Poir Spring
RMRFGED7–. Fruitland Nurseries : catalogue no. 2 1901. Nurseries (Horticulture) Georgia Augusta Catalogs; Trees Seedlings Catalogs; Plants, Ornamental Catalogs; Flowers Catalogs. Decorative Plants and Ornamental Grasses IT. SELAGINELLA EMILIANA. Selaginellas (mosses) Ten distinct varieties. Desirable for fern-dishes and rockeries. 10 cts. each, 75 cts. per 10. Selaginella Emiliana. A new upright-growing moss, with numerous feathery stems branching from the base and forming a dense tuft. Well-grown plants attain 12 to 18 inches in height and a corresponding diameter. We know of no moss superior to it, a
RM2BTW0TY–Selaginella willdenowii Desv ex Poir Baker.
RMRD46WW–. Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening; Horticulture; Horticulture; Horticulture. 648 SELAGINELLA GG. Stems 6-12 in. high, rosettes 22. Emmeliana GGG. Stems elongated (2 ft. or more), not crowded. H. Iivs. equal-sided at base 23. Wallicliii 24. Victoriae HH. Jjvs. produced on upper side at base.25. gracilis 2(j. Lobbii ceo. Main stems climbing 27. W
RMRDWAM5–. Plants; a text-book of botany. Botany. Fig. 143. A common quillwort {Isoetes lacus- ti'is), showing cluster of roots dichoto- mously branching, and cluster of leaves each enlarged at base and inclosing a sin- gle sporangium.—After Schenck. Fig. 144. Sperm of Isoetes, show- ing spiral body and seven long cilia arising from the beak.— After Belajefp. with the Club-mosses, and is associated with Selaginella. It resembles a bunch of fine grass growing in shoal water or in mud, but the leaves enlarge at the base and overlap one another and the very short tuberous stem (Mg. 143). AVithin each enla
RMRDGX5E–. Plant studies; an elementary botany. Botany. Fig. 20. A spray of majtle, showing the ailjustment of the leaves in size and position of Ijlades and length of petioles to secure exposure to light on a horizontiil stem.— AftiT Keener. etc., as to give am])le evidence of the effort put fortli by plants to secure a favorable light-relation for their foliage. Flo I ro plants bhowinc adjnstmtnt of ]e%e'* on ^ hori/ontil ^teni Tlie plant to the left is nighlshaile, in whieh small blades are fitted into spaees left by the large ones. The pl.ant to the right is Selaginella, in wliieli small leaves