Erect, tufted annual 3–6 dm; lvs very narrow, ca 1 mm wide, often involute; panicles slender, the terminal one 5–10 cm, rather loose, the lateral shorter and more slender, scarcely surpassing the subtending sheaths; glumes 1-veined, distinctly unequal; lemma usually about equaling the first glume; central awn divergent, coiled at base when dry into one-half to 3 complete turns; lateral awns erect to curved-divergent but not coiled. Dry, often sandy soil; Mich. to Minn. and Wyo., s. to Ill., Ark., Okla., and Colo., and casually e. to Me., Pa., Va., and Fla. Two vars. with nearly coextensive range.
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