13 



Fig. 7. ELIONURUS BARBlCUliMiS Hack, in DC. Monog. Phan. 6 : 339. 

 1889.— A slender, erect jterennial 4-7 dm. (16'-30') high, with very narrow, fili- 

 form, hairy leaves and silky-villous, solitary spikes 6-9 cm. (2i'-3^') long, which 

 are terminal on the culm or its branches. Sessile spikelet (a) 8-9 mm. (4'Mi") 

 long, with the back of the first glume (c) densely clothed with white hairs; 

 second glume narrower and acuminate; third and fourth glumes (e,/) a little 

 shorter than the outer glumes.— Rocky hills and canyons, western Texas to 

 Arizona; northern Mexico. June to September. 



Of little or no agricultural value. 



