CLASSIFICATION OF ANGIOSPERMS. 



293 



tute India or Tinnevelly senna (p. 607) are longer and narrow- 

 lanceolate, and the pods are longer, and slightly crescent shaped, 

 as compa^'ed to those of C. acutifolia (Fig. 262). 



Fig. 151. Spanish licorice (Glycyrrhiza glabra) plant grown from a cutting 

 by the late Henry N. Rittenhouse of Philadelphia. 



Cassia fistula or purging cassia, the pods of which are official 

 (p. 585), is a tree about 15 M. high. The leaves are 10- to 12- 

 foliate ; the flowers golden-yellow and in racemes ; and the fruit 



