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Culms loosely tufted, 3–8 dm, glabrous, or hairy at the nodes; basal sheaths ± hairy, the others glabrous, main blades 2–6 mm wide; infl shining, 8–15 cm, narrow, rather dense but hardly spike-like; spikelets 5–7.5 mm, 2–4-fld; first glume 3–4 mm, subulate or lance-subulate, tapering from near the base to the tip, 1-veined; second glume much wider, 3-veined, 5–6 mm; rachilla and callus with hairs 1 mm; lemmas bifid; awn 4.5–6.5 mm, inserted 2 mm below the lemma-tip; anthers 1.5–2.5 mm; 2n=28. Native of Europe, intr. in waste places and along roads from Vt. to Mass. and N.Y., and occasionally elsewhere in our range.
