CLASSIFICATION OF ANGIOSPERMS. 



295 



The trees yielding kino are under State control in Madras. 

 According to v. Hohnel the kino is present in special cells in 

 the bark, which are arranged in radial rows in the region of 

 the leptome. The cells are from 50 to 100 m wide and from 100 

 to 500 M long, the walls consisting of cellulose. The term " kino " 

 is applied to a number of red astringent plant juices (see pp. 

 654-656). "American kino" is a synonym sometimes applied 

 to the extract of geranium maculatum (Fam. Geraniacese). 



Pterocarpus santalinus is a small tree with trifoliate leaves, 

 and flowers and fruits resembling those of P. Marsupium. The 

 heart-wood is official (p. 547). 



!K-> 



Fig. is 2. American senna (Cassia marilandica). The figure at the left shows the pin- 

 nately-compound leaves in the day position when under the influence of light, and the one 

 to the right the drooping position of the leaflets at night. 



Ha^matoxylon campcchianum is a small tree with irregular 

 spinous branches. The leaves are 8- to lo-foliate, the leaflets 

 being sessile and obcordate. The flowers are fragrant, have a 

 purple calyx and yellow corolla, and are in racemes. The fruit 

 is a slender, lanceolate, flat pod, which dehisces laterally instead 

 of along the sutures. The heart-wood of this tree constitutes the 

 official Logwood which is recognized in nearly all the pharma- 

 copoeias (p. 546). 



Krameria triandra is a shrub with simple, ovate-lanceolate, 

 sessile, silver-white, glistening leaves (Fig. 154). The flowers are 



