FOREST TREES OF THE PACIFIC SLOPE. 377 



Indigo Bush. 

 Dalea spinosa Gray. 



DISTINGUISHING CHARACTERISTICS. 



Mostly a spiny-twigged, small, much-branched shrub ; sometimes a very short 

 and thick trunked, bushy tree from 12 to IS feet high and from 8 to 12 inches 



Fin. 177. — Dnlm xpinosa. 



in diameter— occasionally thicker. The trunk is usually twisted or gnarled, 

 and the rather large limbs, as well as numerous slender, needle-like twigs, 



