. The American botanist and florist: including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union. Botany; Botany. 1 A. atropurpurea Wahl. In tufts, If, very slender; Ivs. flat; pan. thin; awn stout, twice as lon^ as the pale, n High Mts., N. Eng. and N. T. August. 2 A. flexuosa L. (?) In large tufts, smooth, 1—2f; Ivs. setaceous, mostly radical; pan. loose, with long flexuous spreading branches; awn geniculate, twice longer than the pale (m). V Dry
. The American botanist and florist: including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union. Botany; Botany. 1 A. atropurpurea Wahl. In tufts, If, very slender; Ivs. flat; pan. thin; awn stout, twice as lon^ as the pale, n High Mts., N. Eng. and N. T. August. 2 A. flexuosa L. (?) In large tufts, smooth, 1—2f; Ivs. setaceous, mostly radical; pan. loose, with long flexuous spreading branches; awn geniculate, twice longer than the pale (m). V Dry hills : common. June. 3 A. caespitosa L. (n) Tufted, glabrous, 18—30'; Ivs. narrow-linear, flat; pan. ob- long, finally diffuse ; awn straight, as long as the pale, which is longer than the blu- ish glumes. (0, spikelet, p, fl.) U Swamps, northward. May. 30. DANTHONIA, DC. Spkl. 2-7-flwd. Gl. 2, subequal, cuspidate, lonirer than the whole spikelet of fls. Pales hairy at base, lower one bidentate and awned at apex, upper obtuse, en- tiro. Awn flattened and twisted at base. U Fls. raceraous. 1 D. spicata R. & S. (a) Lvs. narrowly-linear, shorter than the inter- nodes; culm 1—2f, slender; spkl. few (about 6), in a subsimple raceme; gl. 4—5"; fls. (b) about 7, pubescent. Lvs. mostly radi- cal, ill little tufts. Dry hills : com. June—Aug. /3. comprtima. Lvs. longer than the internode^ ; spkl. about 4 in the simple raceme; gl. twice longer than the spikelet. Onondaga Co., "N. Y. {S. N. Coivles). (D. com- pressa, Austin ?) These characters are not constant. 2 I>. sericea Nutt. Taller (2—Sj-f); lvs. and sheaths silky-hirsute; spkl. 9—17, evidently paniculate ; gl. 8—9"; ( fls. about 7, densely clothed with silvery-silky hairs; awns brown at base (as in No. 1), very long. Rare N., common S. June. 31. AVENA, L. Oat. Oat G. Spkl. 2-5-flwd. Gl. 2, loose, thin, awnless, large. Pales 2, becom- ing coriaceous, the lower bifid, bearing (mostly) a bent or
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1870
