CLASSIFICATION OF ANGIOSPERMS. 



647 



of methyl salicylate. It contains a small quantity of an alcohol 

 and an ester giving the characteristic odor. The same principles 



FlG. 351. Great Laurel or Rose Bay (Rhododendron maximum'), an evergreen shrub 

 found in low woods and along streams, chiefly in the mountains of the eastern United States, 

 often forming impenetrable thickets. It is one of the most beautiful of the flowering shrubs, 

 producing from scaly, cone-like buds numerous corymbose clusters of flowers varying from 

 pale rose to white. After Troth. 



probably also occur in several other species of Gaultheria (Fig. 

 354). 



