Parry's Oatgrass

Danthonia parryi vScribn. Bot. Gaz. 21: 133. 1896
Danthonia Parryi var. longifolia Scribn. Bot. Gaz. 21: 134. 1896. (Type from Twin Lakes, Colorado, Wolf 1170.) Merathrepta Parryi A. Heller, Muhlenbergia S; 120. 1909. (Based on Danthonia Parryi Scribn.)
Culms rather stout, in tough clumps, 30-60 cm. tall, somewhat enlarged at ba.sc by the numerous, over-lapping, firm, persistent sheaths; sheaths glabrous, somewhat pilose at the throat, with a glabrous or pubescent line or ridge on the collar, the lower blades falling from the sheaths; blades ercct-flexuous, mostly 15-25 cm. long, narrow or filliform, flat or involute, glabrous; panicle 3-7 cm. long, usually with 3-8 spikelets, the branches more or less pubescent, ascending or appressed, the lowermost 1-2 cm. long, with 1 or 2 spikelets; glumes 20-22 mm. long, rarely less; lemmas sparsely to densely pilose on the back and margin, strongly pilose on the sides of the callus, 12-15 mm. long including the abruptly awned teeth; terminal segment of the dorsal awn 8-12 mm. long; palea narrowed aljove, 2-toolhcd, nearly as long as the lemma. Type locality: Colorado {Parry).
Distribution: Open grassland, open woods, and rocky slopes in the mountains, mostly below timber line, from Alberta to New Mexico.