142 



Fig. 438. Stipa scribneri Vasey, Bull. Torr. Bot. Club, 11 : 125. 

 1881. Scribner's Feather-grass. A stout, erect, smooth peren- 

 nial 4.5 to 7.5 dm, high, with rather long, narrow, involiite- 

 lointe(l leaves and contracted panicles 12 to 16 cm. long. Spike- 

 lets 12 to 14 mm. long, with pubescent flowering glumes (b) 

 which are 6 to 10 mm. long and crowned with a tuft of rather 

 long hairs. Dry soil of mesas and canyons, Colorado and New 

 Mexico. June-September. 



