3°8 
PHARMACEUTICAL BOTANY 
Official drug Part used 
Vanilla N.F. Fruit 
Cypripedium N.F. Rhizome and roots 
Botanical name 
Vanilla Planifolia 
Cypripedium 
hirsutum 
Cypripedium 
parviflorum 
Habitat 
Mexico 
United States 
Fig. i7i .—Vanilla planifolia —Branch showing leaves and flowers. {Sayre.) 
Class B.— Dicotyledone.® 
Plants having the following characteristics: 
Two-seed leaves (cotyledons) in embryo. 
Netted-veined leaves. 
