Texas Dropseed

Sporobolus texanus Vasey; Coult. Contr. U. S. Nat. Herb. 1 :
57. 1890.
Perennial, in close spherical tufts; culms erect or spreading, rather slender, wiry, glabrous, about 2-noded, 30—50 cm. tall; sheaths more or less pilose at the throat, glabrous or the lower papillose-pilose; ligule about 0.5 mm. long, ciliate; blades flat, often involute in drying, scabrous on the upper surface and on the margins, glabrous or nearly so beneath, mostly less than 10 cm. long, 1-4 mm. wide; panicles open, diffuse, breaking away at maturity, 15-30 cm. long, about as wide, the axis angled, scabrous, the branches, the capillary branchlets and the long pedicels stiffly spreading; spikelets 2-2.5 mm. long, glabrous; first glume acute, one third to half as long as the spikelet, the second acuminate, slightly exceeding the acute lemma and palea, the latter splitting early.
Type locality: Screw Bean, Presidio County, Texas (Nealley 755).
Distribution: Mesas, valleys, and salt marshes, Kansas to Colorado, Texas, and New Mexico.