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culms slender, erect, over 1 ft. long, glabrous, smooth, uppermost internodes over 1/2 ft. long, exserted; culm-leaves (only known) glabrous; sheaths tight, terete, smooth, uppermost 5–5 1/2 in. long; blades linear, acute, lower up to 1 1/2 in. by 1 1/4 lin., flat, subglaucous, smooth, uppermost very short or obsolete; panicle 3 1/2–5 in. long; axis filiform, less than 1 in. long, scaberulous, purplish; branches 3–4 1/2 in. long, finely filiform, subflexuous, scaberulous, purplish, bearing subsessile spikelets from the base or little distance above it; spikelets narrow, reddish, 2 1/2–3 lin. long (exclusive of the awns), lowest distant, upper rather close; glumes linear-lanceolate, acute, glabrous, lower somewhat shorter; fertile valves white above, purple below, finely pubescent, 1 1/2–2 lin. long, teeth slender; awn scabrid below, very fine, 3–4 lin. long, erect; cluster of barren valves distinctly overtopped by the fertile (except for the awns); pales 1 1/2 lin. long; anthers unknown; stigmas orange-coloured. null