Broomsedge Bluestem

Andropogon louisianae Steud. Syn. Gram. 383. 1854
Andropogon Curtisianu s St&nd. Syn. Gram. 390. 1854.
Andropogon virginicus viridis ditior Hack, in DC. Monog. Phan. 6 : 411. 1889.
Andropogon virginicus tetrastachyus Hack, in DC. Monog. Phan. 6 : 411. 1889.
Sorgum virginicum Kuntze, Rev. Gen. 792. 1891.
Andropogon macrourus viridis Chapm.; Vasey, Contr. U. S. Nat. Herb. 3 : 11. 1892.
Andropogon virginicus vaginatus Chapm. Fl. S. U. S. ed. 3. 594. 1897. Steins tufted, 5-10 dm. tall, the sparsely divided branches in I's-S's, distant, the nodes glabrous, very rarely barbed; leaf-sheaths, at least the lower ones, commonly more or less tuberculate-hirsute on the margins with long usually lax hairs, or sometimes a part or the whole of the sheaths densely hirsute; ligules scarious, ciliate, about 0.5 mm. long; blades 4 dm. long or less, 2-5 mm. wide, rough or roughish, usually hirsute on the upper surface near the base; spathes 3-5 cm. long, extending beyond the racemes; racemes generally in pairs, rarely in 3's or 4's, 2-3 cm. long, the rachis slender and fragile; sessile spikelet 3-4 mm. long, narrowly linear-lanceolate, one and a half times to twice as long as the internodes, pale or colored, the first scale hispid on the keels, the callus barbed with hairs about one third as long as the spikelet, the fourth scale very shortly 2-toothed, with an awn 1-1.5 cm. long; pedicellate spikelet wanting, or rarely present as a minute scale, the pedicel exceeding the sessile spikelet.
Type locality : Virginia.
Distribution : Rhode Island to Missouri and Oklahoma, and south to Florida, Texas, and Mexico; Bermudas; Bahamas; Jamaica; Cuba; Haiti.

Andropogon capillipes Nash, Bull. N. Y. Bot
Gard. 1: 431. 1900.
Andropogon ma&rourus glaucopsis EH. Bot. S. C. & Ga. 1 : 150. 1816.
Andropogon virginicus glaucus Hack, in DC. Monog. Phan. 6 : 411. 1889. Not A . glaucus Retz.
1789. Andropogon virginicus dealbaius C. Mohr; Hack, in DC. Monog. Phan. 6 : 411. 1889. Andropogon glomeraius glaucopsis C. Mohr, Bull. Torrey Club 24: 21. 1897. Andropogon glaucop sis Nash, in Small, Fl. SE. U. S. 62. 1903. Not A. glaucopsis Steud. 1854.
Whole plant blueor grayishgreen, intensely glaucous, smooth and glabrous. Stems
6-12 dm. tall, branched, the branches in Ts-S's; leaf -sheaths keeled, the lower ones compressed;
blades 2 dm. long or less, 1-6 mm. wide, erect; spathes 2-6 cm. long, equaling or exceeding the
racemes; racemes 1.5-4.5 cm. long, the rachis slender, the internodes clothed with long hairs;
sessile spikelet 3-4 mm. long, linear to linear-lanceolate, about twice as long as the internodes,
the first scale hispidulous on the keels above, the intercarinal space depressed, the fourth
scale 2-toothed at the apex, bearing a hispidulous usually somewhat contorted imperfect awn
1-2 cm. long; pedicellate spikelet wanting, or present as a minute rudimentary scale, the
pedicel as long as or a little exceeding the sessile spikelet.
Type locality : Florida.
Distribution : North Carolina to Florida and Mississippi.

Andropogon virginicus I^. Sp. PI. 1046. 1753
Andropogon dissitifiorus Michx. Fl. Bor. Am. 1 : 57. 1803.
Anatherum virginicum Spreng. Pugill. 2 : 16. 1815.
Andropogon vaginatus EU. Bot. S. C. & Ga. 1 : 148. 1816.
Andropogon tetrastachyus Ell. Bot. S. C. & Ga. 1 : 150. 1816.
Andropogon eriophorus Scheele, Flora 27 : 51. 1844. Not ^. eriophorus Willd. 1806.