glabrous; rhizome creeping, stoloniferous; culms 1/2–2 ft. long, very slender, sheathed all along, uppermost internode long; sheaths imbricate, the lowest bladeless, short, whitish, smooth and persistent like the others; ligule a ciliate rim; blades articulated with the sheaths, linear, tapering to a pungent point, convolute or involute, 2–6 in. by 2–3 lin. when expanded, very rigid, smooth; spikes 1–3, erect, 2–6 in. long, yellowish; common rhachis short; special rhachis terminating in a mucro not or slightly exceeding the uppermost spikelet; spikelets 6–7 lin. long, imbricate, those of the same side 3–4 lin. distant, pubescent; lower glume very narrow, linear, 4 1/2–6 1/2 lin. long, finely 1–2-nerved, the upper lanceolate, acute, 6–7 lin. long, 3–5-nerved, nerves very close; valve subacute or obtuse, 5–5 1/2 lin. long, tips hyaline; pale 5 1/2–6 lin. long; anthers 3 lin. long; grain about 3–4 lin. long. null
