262 MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



about as long as the body of the lemma. Erect perennials, with flat 

 blades and bristly, loosely flowered spikes. Type species, Elymus 

 hystrix L. (Hystrix patula). Hustrix, Greek name for the porcupine, 



FIGURE 515. Sitanion hystrix. Plant, X Yz", spikelet and floret, X 3. (Hitchcock 2289, Colo.) 



alluding to the bristly spikes. The species have little forage value as 

 they are nowhere abundant. The first species is worthy of cultivation 

 for ornament. 



