Florula Bostoniensis: A Collection of Plants of Boston and Its Vicinity, with Their Generic and Specific Characters, Principal Synonyms, Descriptions, Places of Growth, and Time of Flowering, and Occasional RemarksC. C. Little and J. Brown, 1840 - 468 páginas |
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Términos y frases comunes
acuminate acute ament American Medical Botany anthers August.-Perennial axillary Barren flowers base berry bractes branches bristles Calyx five capsule celled ciliate clasping color common compressed corolla corymbs crenate Culm cylindrical cymes downy edge entire feet high Fertile flowers filaments filiform five cleft fleshy florets Flowers small four frond fruit germ glabrous glaucous grass grow hairy heart shaped imbricate involucre July.-Perennial leaf leafets leafy leaves lanceolate Leaves linear Leaves opposite leaves ovate linear-lanceolate lobed margin Muhl naked nearly nectary nerved numerous oblong obovate obtuse oval Panicle pedicels peduncles petals petals five petioles pinnate pinnatifid plant pubescent purple Pursh racemes Receptacle reflexed resembling root rough round roundish scales scape seeds segments serrate sessile sheaths short shrub sides Silicle slender slightly smooth species spikelets spikes spreading stalks stamens Stem erect stigma style teeth terminal ternate toothed umbels underneath upper valved whorls Willd woods yellow
Pasajes populares
Página 61 - Style four sided, tapering ; stigma minute, pubescent ; germ roundish, concealed within the spadix. After the spathe decays, the spadix continues to grow, and with it every part of the flowers except the anthers. When the fruit is ripe, the spadix has attained many times its original dimensions, while the calyx, filaments and style are larger, very prominent and separated from each other. Within the spadix at the base of each style is a round, fleshy seed, as large as a pea, white...
Página 179 - The flowers vary from white to red ; they grow in terminal corymbs, simple or compound with opposite branches, and made up of slender peduncles.
Página 180 - are ten depressions or pits, accompanied with corresponding prominences on the outside. In these depressions the anthers are found lodged at the time when the flower expands. The stamens grow from the base of the corolla, and bend outwardly, so as to lodge the anthers in the cells of the corolla. From this confinement they liberate themselves, during the period of flowering, and strike against the sides of the stigma.
Página 435 - Pectinate. Like the teeth of a comb. Intermediate between fimbriate and pinnatifid. Pedate. Having a central segment or leaf which is simple, and two lateral ones which are compound.
Página 105 - Sot. nag. t. 280. Bigelow med. hot. ii. t. 36. — Sides of fences and borders of woods in the United States. (Dog's bane.) Height from 3 to 6 feet. Stalk smooth, simple below, branching repeatedly at top, red on the side exposed to the sun. Leaves opposite, smooth on both sides, paler beneath, ovate, acute, on short petioles. The flowers grow in nodding cymes from the ends of the branches and axils of the upper leaves, furnished with minute, acute bractes. Calyx 5-cleft, acute, much shorter than...
Página 107 - The pollen forms ten distinct, yellowish, transparent bodies, of a flat and spatulate form, ending in curved filaments, which unite them by pairs to a minute dark tubercle at top. Each pair is suspended in the cells of two adjoining anthers, so that if a needle be inserted between the membranous edges of two anthers and forced out at top, it carries with it a pair of the pollen masses. Pistils two, completely concealed within the mass of anthers. Germs ovate, with erect styles. The fruit, as in other...
Página 323 - Bigelow was surely a genius. Working in a period when it was sacrilege to doubt the immutability of species, he wrote in 1824, in the 2nd edition of Florula Bostoniensis, concerning the goldenrods and asters (Solidago and Aster) : "Among the species there are a vast variety of hybrids and subspecies which the labors of botanists have not yet been able to reduce under permanent characters, though names without number have been applied to fugitive varieties. The single species found in Great Britain...
Página 440 - Serrulate. Minutely serrate. Sessile. Placed immediately on the stem, without the intervention of a stalk. Setaceous. Bristle like. Sheath. A tubular or folded leafy portion inclosing the stem. See the leaves of Grasses.
Página 429 - Gemmaceous. Belonging to a bud. Made of the scales of a bud. Generic. Belonging to a genus. Geniculate. Bent like a knee. Genus. A family of plants agreeing in their flower and fruit.
Página 63 - WitchHazel, in the moment of parting with its foliage, putting forth a profusion of gaudy yellow blossoms and giving to November the counterfeited appearance of spring.