252 
PHARMACEUTICAL BOTANY 
Official drug 
Colchici Semen 
Aloe 
Scilla 
Veratrina 
Convallariae Radix 
N.F. 
Convallariae 
Flores N.F. 
Trillium N.F. 
Allium N.F. 
Aletris N.F. 
Helonias N.F. 
Part used 
Seed 
Inspissated juice 
of leaves 
Bulb 
Mixture of 
alkaloids 
Rhizome and roots 
Inflorescence 
Rhizome and roots 
Bulb (fresh) 
Rhizome and roots 
Rhizome and roots 
Botanical name 
Colchicum 
autumnale 
f Aloe vera 
Aloe Perryi 
Aloe ferox 
Urginea maritima 
Asagrsea officinalis 
Convallaria 
majalis 
J 
Trillium erectum 
Allium sativum 
Aletris farinosa 
Chamrelirium 
luteum 
Habitat 
Mediterranean 
Basin 
Dutch West Indies 
Socotra and East 
Africa 
South Africa 
Mediterranean 
Basin 
Mexico and 
Central America 
j Europe, Asia, 
\ United States 
North America 
Europe, Asia, 
North America 
Eastern United 
States 
Eastern United 
States 
Dioscoreacea or Yam Family . — Herbs or shrubs with twining stems 
arising from large tuberous roots or knotted rootstocks. Leaves 
ribbed and netted-veined. Flowers small, dioecious, regular, 
having a six-cleft calyx-like perianth, six stamens and a three- 
celled ovary. Fruit usually a membranous three-angled or winged 
capsule. 
Unofficial drug Part used Botanical name Habitat 
Dioscorea Rhizome Dioscorea villosa United States 
Iridacecs or Iris Family . — Perennial herbs with equitant two- 
ranked leaves and regular or irregular flowers which are showy. 
Fruit a three-celled, loculicidal, many-seeded capsule. Rootstocks, 
tubers, or corms mostly acrid. 
Official drug 
Iris N.F. 
Iris Versicolor 
N.F. 
Crocus N.F. 
Part used 
Peeled rhizome 
Rhizome 
Stigmas 
Botanical name 
f Iris florentina 
j Iris pallida 
1 Iris germanica 
Iris versicolor 
Crocus sativus 
Habitat 
| Europe 
Eastern United 
States 
Mediterranean 
Basin 
