195 



Fig. 491. Calamagrostis purpurascens R. Br. in Kich. App. 

 Frankl. J our n. 731. 1823. Purple Reed-bent. — A rather rigid, 

 densely caespitose, erect perennial 3 to 6 dm. high, with firm, 

 strongly involute leaves and densely flowered, spike-like panicles 6 

 to 8 cm. long. Spikelets 6 to 7 mm. long; flowering 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. Julv, August. 



