TAXONOMY 



335 



placenta. Fruit a capsule rarely indehiscent bursting lengthwise 

 by two valves. Seeds exalbuminous. 



Official drug 

 Sinapis Alba Seed 



Sinapis Nigra Seed 



Unofficial drug 

 Semenae Rapae Seed 



Part used Botanical name Habitat 



Sinapis alba Europe and Asia 



Brassica nigra Europe and Asia 



Brassica napus Europe and Asia 



PIG. 194. Brassica nigra Branch. (Sayre.) 



XIII. Order Sarraceniales. Droseracea or Sundew Family 

 Herbs (Drosera, Dionaea, etc.) rarely shrubs (Roridula of South 

 Africa), growing in bogs or swamps or purely aquatic in habit 

 (Aldrovanda). Leaves, either rosettes or more or less scattered in 

 alternate fashion over stem, usually glandular-hairy or sensitive- 

 hairy and insectivorous. Inflorescence a loose raceme or cymose 



