Manual of the Botany of the Northern United States: Including the District East of the Mississippi and North of North Carolina and Tennessee, Arranged According to the Natural SystemIvison, Blakeman, Taylor, 1868 - 703 páginas |
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Términos y frases comunes
1-celled 5-cleft 5-lobed Achenia achenium acute albumen anthers apex awl-shaped axillary axils base beak bracts branches bristles calyx carpels catkins cell clusters common corolla corymbed culm cymes deciduous dense downy elongated embryo entire erect fertile filaments flat fleshy flowers frond fruit glabrous globular glumes hairy heads heart-shaped herbs Illinois imbricated indusium involucre June lanceolate leaflets leafy leaves length linear lobes longer loose lower palet many-flowered many-seeded margins Michx minute Muhl naked Name narrow nearly northward Nutt oblong oblong-lanceolate obovate obtuse oval ovary ovate ovate-lanceolate ovoid ovules panicle Pappus pedicels peduncles Penn perennial Perianth perigynia petals petioles pinnate pistillate plant pods pubescent purple Pursh racemes rarely rootstocks scales scape seeds sepals serrate sessile sheaths short shorter shrubs slender smooth species spikelets spikes spreading stalk Stamens Stem sterile stigma stipules style summit tapering terminal toothed Torr umbel upper Virginia and southward Wisconsin woods yellow
Pasajes populares
Página 123 - Plants with papilionaceous or sometimes regular flowers, 10 (rarely 5 and sometimes many) monadelphous, diadflphous, or rarely distinct stamens, and a single simple free pistil, becoming a legume in fruit. Seeds mostly without albumen. Leaves alternate, with stipules, usually compound. One of the sepals inferior (ie next the bract) ; one of the petals superior (ie next the axis of the inflorescence). — A very large order (nearly free from noxious qualities), of which the principal representatives...
Página 336 - Capsule many-seeded. — Herbs (root-parasitic), with alternate entire or cut-lobed leaves ; the floral ones usually dilated, colored, and more showy than the yellow or purplish spiked flowers. (Dedicated to Castillejo, a Spanish botanist.) 1.
Página 123 - ... vexillum or standard, larger than the others and enclosing them in the bud, usually turned backward or spreading ; the two lateral ones...
Página 627 - ... rachis after the rest of the flower has fallen. Culms often branching. Leaves linear, frequently involute, and the ligule or throat of the sheath bearded with long, villous hairs. Panicle various. (Name from two Greek words for spring and grass. Bentham & Hooker recognize 100 species; Hackel the same number ; Beal lists 28, including varieties, in North America.
Página 636 - ... proceeding from the mid-nerve only. Stamens 3. Grain oblong-linear, grooved, on one side, usually hairy, at least at the top, free, but invested by the palet.