. 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. n8 GRAMINEAE. Vol. 6. Andropogon furcatus Muhl. Forked Beard-grass. Fig. 269. Andropogon furcatus Muhl.; Willd. Sp. PI. 4:919. _ 1806. Andropogon provincialis subvar. furcatus Hack, in DC. Mon. Phan. 5: 442. 1889. Culms erect, stout, smooth and glabrous, 3°-6" tall, simple at base, branched above. Leaves gla- brous or hirsute; blades smooth or rough, 6
. 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. n8 GRAMINEAE. Vol. 6. Andropogon furcatus Muhl. Forked Beard-grass. Fig. 269. Andropogon furcatus Muhl.; Willd. Sp. PI. 4:919. _ 1806. Andropogon provincialis subvar. furcatus Hack, in DC. Mon. Phan. 5: 442. 1889. Culms erect, stout, smooth and glabrous, 3°-6" tall, simple at base, branched above. Leaves gla- brous or hirsute; blades smooth or rough, 6'-i8' long, 2"-j" wide, acuminate; racemes 2-6, in pairs or approximate at the summit, 2-5' long; joints of rachis and pedicels ciliate with short hairs; outer- most scale of sessile spikelet 3i"-S" long, twice the length of the rachis-joints, scabrous; awn si"-'/' long, perfect; pedicelled spikelet consisting of 4 scales. In dry or moist soil. Maine to Assiniboia, south to Florida and Texas and northern Mexico. Broom-grass, Big Blue-stem, Blue-joint. 7. Andropogon chrysocomus Nash. Yel- low-haired Beard-grass. Fig. 270. Andropogon chrysocomus Nash, in Britton, Man, 70. 1901. A tall usually stout grass, with extravaginal innovations. Culms 2°-S° tall, the branches in i's-3's; sheaths smooth and glabrous; blades up to 1° long, 3J" wide or less, smooth beneath, a little roughened above; racemes in 2's-4's, 2'-3i' long, stout, long-exserted, the hairs of the inter- nodes and pedicels ii"-2" long, usually yellow; sessile spikelets 4"-s" long, lanceolate, barbed at the base with hairs about I" long, the first scale hispid on the keels, the intercarinal space canalicu- late-depressed and hispidulous toward the apex, the fourth scale bearing a perfect geniculate awn S"-6" long; pedicellate spikelets equalling the sessile ones, awnless. In dry usually sandy places, Nebraska and Colo- rado to Texas. Summer a
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
