Tufted annual; culms 25–50 cm. high, wiry.. Leaf-blades narrow, flat or convolute, 3–8 cm. long, up to 1.5 mm. wide.. Inflorescence 4–8 cm. long, the clusters appressed to the axis.. Vestigial spikelets represented by slender flexuous awns slightly widened near the base, the lower 5–9 mm. long, the upper 10–15 mm. long and borne upon a slender stalk 1.5 mm. long.. Fertile spikelet 2.5–3 mm. long, dark green; lower glume obliquely elliptic with a slender terminal awn; upper glume elliptic, terminating in a short awn-point; lemma 1 mm. long.. Fig. 105.
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