Fig. 436. Stipa occideiitalis Tbiiib. Bot. Wilkes Exped. 483. 

 1874. Western Needle-grass. A slender, erect pereuuial 3 to 

 6 dm. high, with rigid, iuvolute leaves and coutracted panicles 6 

 to 12 cm. Joiig. Spikelets about 10 mm. long, lloweriug glumes 

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

 Dry soil and rocky banks of the plains and foot-hills, Nevada, 

 California, Oregon, and Washington. May-July. 



