195 



Fig. 491. Calamagrostis purpurascens R. Br. iu Eich. App. 

 Frankl. Jouru. 731. 1823. Purple IJekd-isext. — A rather rigid, 

 (leusely Ciespitose, erect perennial 3 to 6 dm. high, with firm, 

 strongly involute leaves and densely llowered, spike-like paniclesB 

 to 8 cm. long. Spikelets 6 to 7 mm. long; llowering glumes (b) 

 about 4. .5 mm. long ; awn much exceeding the glumes. — Dry, rocky 

 soil in the mountains, Colorado to California and northward to 

 Alaska. July, August. 



