TAXONOMY 
299 
Official drug 
Part used 
Botanical origin 
Habitat 
Buchu 
Leaves 
Barosma betulina 
Cape Colony 
and B. serratifolia 
[ Xanthoxylum 
Northern United 
Xanthoxylum 
Bark 
| americanum 
States 
Xanthoxylum 
Southern United 
l Clava-Herculis 
States 
Oleum Bergamottae 
Volatile oil 
Citrus Aurantium 
France, Italy 
N.F. 
Bergamia 
Oleum Aurantii 
Volatile oil 
Citrus Aurantium 
Northern India 
Florum N.F. 
amara 
Succus Citri N.F. 
Juice 
Citrus medica acida 
Asia 
I 
Xanthoxylum 
Northern 
Xanthoxyli 
Fructus N.F. } 
. 
Capsules 
americanum 
I Xanthoxylum 
United States 
Southern 
[ Clava-Herculis 
United States 
Unofficial 
Ruta 
Leaves 
Ruta graveolens 
Southern Europe 
Ptelea 
Bark of root 
Ptelea trifoliata 
North America 
Belae Fructus 
Unripe fruit 
HSgle Marmelos 
Malabar, 
Coromandel 
Simarubacea; or Ailanth/us Family. — A family of chiefly tropical 
shrubs or trees containing bitter principles. The leaves are alter- 
nate and pinnate. The flowers are dioecious or polygamous and 
arranged in axillary panicles ( Picrasma excelsa ) or racemes (Quassia 
amara). The plants are distinguished from those of the Rutacece 
by the absence of secretory cavities. 
Official drug 
Part used 
Botanical origin 
Habitat 
Quassia 
Wood 
f Picrasma excelsa 
West Indies 
Surinam 
i Quassia amara 
Unofficial 
Bark of root 
j Simaruba officinalis 
South America 
Simaruba 
( Simaruba amara 
Central America, 
Bahamas and 
Florida 
Burseracece or Myrrh Family. — Shrubs and trees of tropical climes 
having secretion reservoirs in their bark. Leaves alternate and 
compound. Flowers small, regular and hermaphrodite arranged in 
racemes or panicles. Fruit a drupe. 
