Culms erect, 10–15 dm, with usually 5–10 nodes; lvs 6–12 mm wide, scabrous at least on the margins; ligules tinged with reddish-brown; infl narrow, 1.5–3 dm, often somewhat drooping, with crowded, ascending branches, dull grayish-green; first glume 1-veined, 3.5–5.6 (avg 4) mm; second glume sharply 3-veined, usually distinctly scabrous, 4.1–6.6 (avg 5) mm, herbaceous nearly or quite to the margin; awn usually under 0.5 mm; anthers 0.8–1.8 mm; 2n=28. Moist woods; Me. to Ont., Minn., and N.D., s. to Ga. and Tex.