Culms tufted, 2–4 dm, very slender, often decumbent and rooting at the base; sheaths and blades glabrous or nearly so, the latter flat or concave, rarely over 1 mm wide; ligule membranous, usually erose, 0.5–1.5 mm; infl slender but open, a fourth to half as long as the entire shoot; spikelets drab, ellipsoid, occasionally 2-fld, on pedicels mostly more than twice as long; glumes ovate, acute or obtuse, the second barely longer than the first and ca half as long as the spikelet; lemma acute, 1.2–2 mm, awnless; 2n=ca 42. Moist or wet, sandy or peaty soil, open meadows, and bogs; Nf. to w. Ont. and n. Mich., s. to N.J. (Sporobolus u.)
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