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Information Tufted perennial, the basal leaf-sheaths pubescent to tomentose; culms 30–100 cm. high. Leaf-blades flat, 8–20 cm. long, 2–8 mm. wide, mostly ± hairy. Inflorescence of (2–)3–8(–10) racemes, each 3–16 cm. long, the rhachis-margins ciliate. Spikelets narrowly lanceolate, 2.5–3.5 mm. long; lower glume suppressed; upper glume 0.1–0.5 mm. long, obtuse to acute; lower lemma flat on the back with rounded sides, 7-nerved, these clearly raised, the awn 5–20 mm. long; upper floret dark brown.

Information Tufted perennial, the basal sheaths pubescent to tomentose. Culms 30–100 cm. high. Inflorescence of (2)3–8(10) racemes, each 3–16 cm. long. Spikelets 2.5–3.5 mm. long, narrowly lanceolate. Superior glume 0.1–0.5 mm. long, obtuse to acute. Inferior lemma entire, the awn 5–20 mm. long, rarely shorter on some of the spikelets. Superior floret dark brown.

Information Perennial, cæspitose on a very short rhizome with mostly extra vaginal innovations. Culms 1 to over 3 ft. high, slender to somewhat stout, terete, erect or geniculate, 5–7-noded, lower and intermediate internodes usually shorter than the adjacent sheaths, the uppermost long-exserted. Leaf-sheaths terete and tight, or the lower more or less compressed and loose, hirsute or the upper, rarely all, subglabrous or glabrous, very finely striate; ligules ciliolate; blades linear from an equally wide or slightly narrowed base, long-tapering to an acute point, up to 8 in. by 2–4 lin., or in stunted specimens 1 1/2–2 in. by 1 1/2–2 lin., flat, pale or glaucous-green, hirsute on both sides, or glabrous below, margins cartilaginous, rough, midrib very slender, nerves numerous, close, finely rough above. Racemes 4–8 (rarely 2 or 3), slender, straight or somewhat flexuous, 1 1/2–5 1/2 in. long; rhachis up to 2/5 lin. wide, puberulous on both sides, wings scabrid or ciliate, greyish-green; pedicels scabrid, the longer about 1/2 lin. long. Spikelets 1–1 1/2 lin. long (excluding the awn), pale greyish or brownish-green. Upper glume ovate, acute or mucronulate, 1/6– 1/5 lin. long, pale, 1-nerved or nerveless. Lower floret: valve spinulously ciliolate on the keels, very scabrid along all the nerves, awn very fine, straight, 3–5 lin. long, often purplish; valvule square, up to almost 1/10 lin. long. Upper floret linear-oblong, acute, 4/5–1 lin. long, brown, early darkening except at the pale or whitish margins. Anthers 2/5– 3/4 lin. long. Grain whitish, 3/4– 1/3 lin. long.