KEY TO IMPORTANT WOODY PLANTS 



199 



gray-hairy and often slightly sticky; flower 

 heads usually comparatively small and in 

 much-branched end clusters; flower buds ap- 

 pearing in June, not opening until late Sept. 

 or Oct.; type locality, plains of the Columbia 

 and Snake Rivers; commonest sagebrush of 

 e. Oreg., e. Wash. 



big sagebrush (Artemisia tridentata). 



Big sagebrush 



F-494122 



