CLASSIFICATION OF ANGIOSPERMS. 



605 



ical characters of which closely resemble those of R. Pnrshianiis. 

 The bark of this plant is also official. 



FIG. 333. A Cascara tree on University of Washington campus. After Johnson and 

 Hindman, Amer. Jour. Pharm., 1914, p. 389- 



The leaves of the shrub known as Xew Jersey Tea (CcanotJius 

 amcricanus} are said to have been used as a substitute for tea 

 during the Revolutionary times. This plant is found in the East- 



