330 
PHARMACEUTICAL BOTANY 
Fig. 180 . — Strychnos nux vomica — Flowering branch and seeds. (Sayre.) 
Official drug 
Nux Vomica 
Gelsemium 
Spigelia 
Ignatia N.F. 
Part used 
Seeds 
Rhizome and 
roots 
Rhizome and 
roots 
Seeds 
Botanical origin 
Strychnos Nux 
Vomica 
Gelsemium 
sempervirens 
Spigelia marilandica 
Strychnos Ignatii 
Habitat 
East Indies 
Southern United 
States 
Southern United 
States 
Philippine Islands 
