294 
PHARMACEUTICAL BOTANY 
column of receptacle then continued as a stylar tip which splits into 
five stigmatic surfaces. Fruit a regma rarely a simple capsule. 
Regma splits into five recurved carpels, each then dehiscing to set 
free two or one seeds. Seeds exalbuminous. 
Official drug 
Geranium N. F. 
Unofficial 
Oil of Rose 
Geranium 
Part used Botanical name Habitat 
Rhizome Geranium maculatum North America 
Volatile oil 
Pelargonium 
odoratissimum 
Pelargonium Radula 
Pelargonium 
capitatum 
Mediterranean 
regions 
LinacecR or Flax Family .- — Herbs with slender stems and alter- 
nate, simple, narrow leaves. Inflorescence cymose with regular 
