Perennial; culms erect from a decumbent base, rooting at the lower nodes, simple or sparingly branched, 1-2 m. long, the nodes glabrous or sparsely pubes-cent; lower sheaths usually much shorter than the internodes, the upper ones sometimes overlapping, the margins ciliate, more or less hispid at the throat; ligule membranaceous, less than 1 mm. long; blades 20-25 cm. long, 1.5-3 cm. wide, acuminate, gradually narrowed from below the middle, round-ed at the base, glabrous on both surfaces, the margins sca-brous; panicles 20-40 cm. long, finally exserted, the branches approximate, stiffly ascending, the lower ones 8-12 cm. long, the branches stiffly divergent; spikelets 1.8 mm. long, short-pedicellate, acute, glabrous; first glume acute, one-third to half as long as the spikelet, the second shorter than the fruit; fruit 1.6 mm. long, acute, the margins inrolled only at the base.
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