Fig. 436. Stipa occideutalis Thurb. Bot. Wilkes Esped. 483. 

 1874. Westekn Needle-ckass. — A sleutler, erect pereunial 3 to 

 6 dm. high, -with rigid, iuvolute leaves aud coutracted panicles (3 

 to 12 cm. long. Spikelets about 10 mm. long, llowering glumes 

 (b) pubescent, G to 7 nun. long. Awn 3 cm. long, plumose below. — 

 Prv soil aud rocky banks of the plains aud foot-hills, Nevada, 

 California, Oregon, aud Washington. May-July. 



