668 



MANUAL OF POISONOUS PLANTS 



is said, in Oregon, to be poisonous to sheep. The substance andromedotoxin, 

 C„,H, 0.„, a bitter principle, has been found in Rhododendron maximwrn. It 



31 51 10 K t: ' 



is extremely poisonous, even more so than aconitin, and more emetic than 

 emetin. Rhododendron ponticum contains the glucoside arbutin. 



Rhododendron occidentale A. Gray. California Azalea 



Shrub 2-6 feet high, shoots glabrous or minutely pubescent when young, 

 not bristly; leaves obovate-oblong, sometimes approaching lanceolate, bright- 

 green and shining above, minutely pubescent, glabrate, the margins minutely 

 hispid-ciliate ; scales of the flower-bud somewhat canescent; flowers appearing 

 after the leaves; sepals distinct, oblong or oval, conspicuous; corolla minutely 

 viscid-pubescent outside, white, with the upper lobe yellow inside; the narrow 

 funnel- form tube equalling the deeply 5-cleft slightly irregular limb; the lobes 

 ovate; stamens and style much exserted, moderately curved; capsule oblong. 



_ Fig. 379. California Azalea {Rhododendron occidentale'). Flowering stem. Leaves are 

 iaid to be poisonous to stock. (From American Agriculturist.) 



