. Bulletin. Gramineae -- United States; Forage plants -- United States. 15 the typical material only in having the panicle pale instead of purple, or at least only the spikelets being tipped with purple. 4. CHiETOCHLOA GRACILIS (H. B. K.) n. comb. Setaria gracilis H. B. K. Nov. Gen. & Sp. PI. 1: 109 (1815). Setaria imberhis R. & S. of authors. (Fig. 4.) A slender, erect, glabrous, caespitose perennial, 3 to 7 dm. high, from short, creeping rootstocks, with linear-setaceous leaves, very slender, spike-like panicles 2 to 6 cm. in length, and short setse, often barely exceeding the spikel
. Bulletin. Gramineae -- United States; Forage plants -- United States. 15 the typical material only in having the panicle pale instead of purple, or at least only the spikelets being tipped with purple. 4. CHiETOCHLOA GRACILIS (H. B. K.) n. comb. Setaria gracilis H. B. K. Nov. Gen. & Sp. PI. 1: 109 (1815). Setaria imberhis R. & S. of authors. (Fig. 4.) A slender, erect, glabrous, caespitose perennial, 3 to 7 dm. high, from short, creeping rootstocks, with linear-setaceous leaves, very slender, spike-like panicles 2 to 6 cm. in length, and short setse, often barely exceeding the spikelets. Culms very slender, erect, glabrous, cylindrical, simple or somewhat branched at the base; nodes glabrous; sheaths loose, glabrous, shorter than the inter- nodes, not ciliate on the hyaline margins; ligule very short, cili- ate; leaf-blades involute-seta- ceous, to 2 dm. long, 1 to 3 mm. wide, smooth or slightly scabrous above, long-acuminate. Panicles cylindrical, dense, 3 to 5 mm. in diameter, branches contiguous, very short, 1-fiowered; rachis setose or pubescent; seta? 5 to 8, involucrate, unequal, very short, flexuous, equaling or twice ex- ceeding the spikelet,- yellowish, antrorsely scabrous. Spikelets 2 mm. long, ovate, acute; first glume triangular-ovate, acute, 3- nerved, one-third the spikelet in length; second glume one-half as long as the spikelet, ovate, acute, 5-nerved; third glimie equaling the flowering glume, 5-nerved, sulcate, subtending a broad- ovate, hyaline palea its own length; flowering glume ovate, acute, abruptly apiculate, trans- versely undulate-rugose. Palea plane, striate. Alaliama, Florida, Texas, Mexico to South America. Specimens examined. âAlabama : Mobile, on "ballast" and about wharves, 14 Mohr 1891; 19 Kearney 1895. Florida: Apala- chicola, on "ballast," Chapman, no date. Texas: No locality, Buckley 1888; Nealley 1887,1888; Corpus" Christi, Nealley 1891. Cuba: 3473 Wright 1860-64; Reed, no date. Mexico: Co
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectforageplantsunitedst
