348 



PHARMACEUTICAL BOTANY 



ing three styles, each with a capitate stigma. Fruit an ovoid, angular, 

 one celled drupe containing a single seed. 



Official drug 

 Cocaina 



Unofficial 

 Coca 



Part used Botanical origin Habitat 



Alkaloid Erythroxylon Coca Peru and Bolivia 



and its varieties 



Leaves Erythroxylon Coca Peru and Bolivia 



and its varieties 



FIG. 205. Guaiacum sanctum Flowering branch. (Sayre.) 



Zygophyllacece or Caltrop Family. Herbs, shrubs or trees (Guaia- 

 cum) having jointed, often divaricate branches. Leaves usually 

 opposite, stipulate and compound. Flowers regular or irregular, 



