78 



HANDBOOK 14 8. U.S. DEPARTMENT OF AGRICULTURE 



poisonous to sheep especially in spring just before 

 flowering and when browsed together with sage- 

 brush horsebrushes (Tetradymia spp.). 



43. Twigs with interconnected lines or ridges of 

 persistent white-woolly hairs; leaves to ){ inch 

 long, soon greening, losing much of their hairi- 

 ness, of 2 kinds: (a) almost needlelike, nearly 

 erect, soon-shed primary leaves, (b) broader, 

 somewhat fleshy, blunt-tipped, soon-spreading, 





^\ 



Gray horscbrush 



F-494057 



Littleleaf horsebrush 



