Perennial; culms rather slender, branching, decumbent, sometimes prostrate-spreading, 30-60 cm.-high; sheaths glabrous, much shorter than the internodes; ligule very short, ciliate; blades 5-20 cm. long, 1-3 mm. wide, the margins scabrous and papillose or papillose-pilose; spikes 4-10, 1-4 cm. long, linear, as-cending or spreading; glumes acuminate, the first 3-4 mm. long, the second slightly broader, 4-5 mm. long, glabrous; fertile floret 4-5 mm. long, the lemma acuminate, glabrous, the callus densely hairy on the sides, the central awn terminal, 2-3 mm. long, the lateral ones about 1.5 mm. long; rudiment reduced to 3 scabrous awns, 8-10 mm. long.