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Fig. 435. Stipa richardsoni Link, Hort. Berol. 2 . 245. 1833. 

 Richardson's Feather-grass. — A slender, erect perennial 6 to 9 

 dm. high, with narrow leaves, and nodding, open, few-flowered 

 panicles 7 to 12 cm. long. Spikelets (a) 8 to 9 mm. long, the 

 broadly lanceolate, acute empty glumes exceeding the thinly 

 hairy flowering glume (6). Awn slender, scabrous, 12 to 20 mm. 

 long. — Dry hillsides and open woods, South Dakota, Colorado, 

 Wyoming, Montana, and Canada. July-September. 



