Perennial; culms very slender, erect or spreading, 30-60 cm. high; sheaths usually much shorter than the internodes, glabrous or sparsely pilose at the mouth; ligule ciliate, 0.1 mm. long; blades flat or rolled, firm, stiffly ascending or some-times spreading, 1-3 cm. long, 1-3 mm. wide, the margins scabrous; spikes 4-8, 2-7 cm. long, slender, ascending, on an axis 1-4 cm. long; spikelets 1-flowered, the rachilla prolonged behind the floret, the rudimentary floret wanting; glumes acu-minate, about 3 mm. long; lemma 2 mm. long, the callus glabrous, the margins long-ciliate toward the summit, the awn very slender, about 1 cm. long.