Perennial; culms erect from a more or less decumbent base, 0.5 to more than 1 m. high, retrorsely pilose at the nodes; sheaths longer than the internodes or the upper ones shorter, appressed-or spreading-pilose especially toward the summit; ligule membranaceous, erose, about 1 mm. long; blades flat, mostly 15-30 cm. long, 3-5 mm. wide, rarely wider, scabrous, more or less pilose toward the base; panicles 10-20 cm. long, nodding, the slender drooping branches naked below, bearing 1-3 spikelets; glumes narrow, acuminate, subequal or the second longer, the first 1-or obscurely 3-nerved, 8-12 mm. long; lemmas mostly 12-15 mm. long, acuminate, rather evenly hairy across the back, the awn 4-7 mm. or some-times as much as 1 cm. long.