8o PHARMACEUTICAL BOTANY 



Family 26. Canellace^. — A small family of tropical American 

 polypetalous, aromatic trees — the canella family — with alternate, ex- 

 stipulate, entire leaves and axillary, cymose, perfect flowers. It em- 

 braces two genera, Canella and Cinnamodendron, and about four species. 



Unofficial drug Part used Botanical name 



Canellas cortex Bark Canella alba 



Family 27. CoRNACEiE. — A family of polypetalous shrubs or trees 

 -^the dogwood or cornel family — of all parts of the world, with usually 

 alternate coriaceous entire leaves, and terminal or axillary cymose clus- 

 ters of small flowers. It embraces 15 genera and 80 species. 



Unofficial drug Part used Botanical name 



Cornus Bark Cornus florida 



Family 28. THYMELEACEiE. — A family of trees or shrubs, the 

 spurge laurel or mezereum family, having very tough bark, opposite 

 entire leaves and small, perfect, regular flowers. 



Official drug Part used Botanical name 



Mezereum Bark Daphne Mezereum 



Family 29. Geraniace^. — A family of polypetalous herbs, shrubs 

 or trees — the geranium family — usually with lobed or dissected leaves 

 and axillary peduncles of often showy, perfect flowers. It embraces 

 seven tribes, 25 genera, and about 980 species, widely scattered in tem- 

 perate and sub-tropical regions. 



Official drug Part used Botanical name 



Geranium Rhizome Geranium maculatum 



Family 30. HAMAMELiDACEiE. — A family of polypetalous shrubs or 

 trees — the witch-hazel family — with alternate simple leaves, two 

 deciduous stipules, and heads or spikes of monoecious or polygamous 

 flowers. It includes 19 genera and about 40 species. 



The leaves and twigs contain highly aromatic volatile oils. 



Official drug Part used Botanical name 



Hamamelidis folia Leaves Hamamelis virginiana 



Hamamelidis cortex Bark and twigs Hamamelis virginiana 



Styrax Balsam Liquidambar orientalis 



Family 31. Linages. — A family of polypetalous herbs, shrubs, or 

 rarely trees — the flax family — with alternate simple and usually entire 



