Slender perennial; culms densely tufted, erect, 30-60 cm., or sometimes as much as 1 m. high, glabrous, the nodes appressed-pubescent; sheaths glabrous, sparsely hispid in the throat and on the collar, the margins glabrous or ciliate; ligule ciliate, very short; blades commonly 10-20 cm. long, 2-5 mm. wide, flat or sometimes involute, papillose or papillose-hispid; panicles 10-30 cm. long, rather lax, the ascending branches not densely-flowered, floriferous to the base; spikelets 4-5 mm. long, the slender awn of the fertile floret 8-12 mm. long, not twisted below, geniculate, the terminal portion spreading or reflexed.
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