CELASTRACE^ 79 



Family 21. Crucifer^ or Mustard Family. — A large family of 

 annual or perennial polypetalous herbs with pungent watery juice and 

 cruciform corollas; stamens tetradynamous; fruit a silique. 



Family 22. Burserace^. — A small family of tropical balsamif- 

 erous or resinous polypetalous trees or shrubs — the myrrh family — 

 with alternate compound leaves and three to five parted usually per- 

 fect flowers. It includes 18 genera and 150 species. 



Family 23. Cactace^. — A family of American polypetalous 

 plants — the cactus family — green and fleshy, and mostly leafless, hav- 

 ing globular or columnar, tuberculated or ribbed, or jointed and often 

 flattened stems, usually armed with bundles of spines, and bearing large 

 and often showy flowers with numerous sepals, petals and stamens, and 

 the fruit a pulpy berry. It embraces 13 genera and about 1000 species. 



Unofficial drug Part used Botanical name 



Cactus Fresh branches Cereus grandiflorus 



Family 24. BERBERiDACEyE or Barberry Family. — Herbs and 

 woody plants with watery juices and alternate, or radical, simple or 

 compound leaves often bearing spines or barbs, which give them a 

 barbed appearance. Fruit a berry or capsule. 



Official drug Part used Botanical name 



Berberis Rhizome and roots Berberis aquifolium and other 



species 

 Podophyllum Rhizome Podophyllum peltatum 



Family 25. CELASXRACEiE. — A family of polypetalous trees or 

 shrubs — the staff-tree or spindle-tree family — mostly tropical, having 

 simple, coriaceous leaves, small regular flowers with imbricated sepals 

 and petals, and four or five perigynous stamens inserted on a fleshy disc 

 alternately with the petals; seed in a succulent aril. 



Official drug Part used Botanical name 



Euonymus Bark Euonymus atropurpureus 



