TAXONOMY 
351 
Official drug Part used 
X 
Xanthoxylum Bark 
Oleum Bergamottae Volatile oil 
N.F. 
Oleum Aurantii 
Volatile oil 
Florum N.F. 
Succus Citri N.F. 
Juice 
Xanthoxyli 
Fructus N.F. 
| Capsules 
Unofficial 
Ruta 
Leaves 
Ptelea 
Bark of root 
Belae Fructus 
Unripe fruit 
Botanical origin 
Xanthoxylum 
americanum 
Xanthoxylum 
Clava-Herculis 
Citrus Aurantium 
Bergamia 
Citrus Aurantium 
amara 
Citrus medica acida 
Xanthoxylum 
americanum 
Xanthoxylum 
Clava-Herculis 
Habitat 
Northern United 
States 
Southern United 
States 
France, Italy 
Northern India 
Asia 
Northern 
United States 
Southern 
United States 
Ruta graveolens 
Ptelea trifoliata 
yEgle Marmelos 
Southern Europe 
North America 
Malabar, 
Coromandel 
Simarubacea or Ailanthus 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 
Quassia Wood 
Unofficial 
Simaruba Bark of root 
Botanical origin Habitat 
( Picrasma excelsa West Indies 
l Quassia amara Surinam 
f Simaruba officinalis South America 
l 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. 
