CLASSIFICATION OF AXGIOSPERMS. 



-/ D 



Winter's bark is derived from Driniys Winteri, a shrub of 

 South America. It occurs in quills which are from 5 to 10 mm. 

 thick; externally it is grayish-brown and covered with numerous 

 lichens ; the fracture is short, the broken surface being marked 

 by stone cells and resin canals ; the odor is fragrant ; taste aro- 

 matic, pungent and bitter. The drug contains a volatile oil which 

 consists essentially of a hydrocarbon known as winterin ; it also 

 contains a resin. 



A crystalline principle magnolin, a glucoside and a volatile 

 oil are found in Magnolia macrophylla (or cucumber-tree of the 



Fig. 144. Various forms of stone cells in star anise, the frint of Ilhcium anisatum. 



Southern States) and M. tripetala or umbrella tree growing 

 southward from Pennsylvania. A bitter principle liriodendrin, a 

 volatile oil, an alkaloid, and a glucoside are found in the tulip 

 poplar or tulip tree. 



The bitter and aromatic bark of MicJiclia montana of Java is 

 used like cascarilla (Euphorbiacese). A bitter resin is found in 

 the fruit of Talauma Phiniicri of the Antilles. 



A glucoside which dissolves the blood corpuscles is found in 

 Talauma macrocarpa of Mexico. A red coloring principle solu]:)le 

 in water occurs in the leaves of Michclia fsiampaca of Java. The 

 fruits of ScJu'candra propinqna of Nepal and Kadsura Rox- 



1 



