348 
PHARMACEUTICAL BOTANY 
ing three styles, each with a capitate stigma. Fruit an ovoid, angular, 
one celled drupe containing a single seed. 
Official drug Part used 
Cocaina Alkaloid 
Unofficial 
Coca Leaves 
Botanical origin Habitat 
Erythroxylon Coca Peru and Bolivia 
and its varieties 
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, 
