annual or subperennial (?), tufted; culms erect, slender, 1/2–1 ft. long, glabrous, smooth, 1-noded, simple, upper internode by far the longest, long exserted; sheaths striate, glabrous, tight, lowest more or less compressed and keeled; blades linear, tapering to a fine point, 2–4 in. by 1–1 1/2 lin., flat, flaccid, glabrous, smooth; panicle tightly contracted and linear or more or less open and oblong, 4–6 in. long, erect; axis smooth, terete; branches solitary or 2–3-nate or irregularly approximate, erect or obliquely spreading, rather loosely and repeatedly divided from near the base, all divisions subcapillary, glabrous, smooth or almost so; lateral pedicels usually very short; spikelets crowded or more or less scattered, elliptic, obtuse, 1 lin. long, about 5–6-flowered, light purplish or brownish; rhachilla disarticulating; glumes subequal, broad, oblong, obtuse, emarginate, 1/4 lin. long, hyaline, 1-nerved, persistent; valves oblong in profile, obtuse, 2/5 lin. long, hyaline, side-nerves prominent, smooth, like the keel; pales subequal to the valves, keels smooth, falling with the valves; stamens 2; anthers almost 1/4 lin. long; grain oblong, 1/4 lin. by 1/8 lin., brown, smooth. null