Perennial, sometimes appearing almost like an an-nual; culms 10-70 cm. long, freely branching, erect or usually decumbent-spreading, the ends ascending, often rooting at the lower, more or less pubescent or pilose nodes; sheaths about as long as or a little shorter than the internodes, compressed, keeled, papillose-pilose to nearly glabrous, the margins densely ciliate; ligule mem-branaceous, about 0.5 mm. long; blades 2-15 cm. long, usually 5-10 cm., 6-12 mm. wide, rounded at the base, acuminate, softly pubescent on both surfaces or glabrous with a few scattered stiff hairs, the margins papillose-ciliate; peduncles 2-8 from the upper sheaths, slender, usually elongate; racemes solitary, 1-3.5 cm. long, arcuate; rachis very narrow, pubescent at the base; spikelets paired, 1.7 mm. long, obovate, glabrous, the first glume developed; second glume obtuse, about half as long as the spikelet; fruit as long as the sterile lemma, pale, minutely striate.
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