346 
PHARMACEUTICAL BOTANY 
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 
capita turn 
Mediterranean 
regions 
Linaceoe or Flax Family .—Herbs with slender stems and alter¬ 
nate, simple, narrow leaves. Inflorescence cymose with regular 
pentamerous flowers; pistil five-carpelled with a five-celled ovary 
containing two ovules in each cavity and having a single style with 
knob-like stigma. While the flower is still in bud condition or soon 
after, there commences an ingrowth of the mid-rib of each carpel 
