90 



PHARMACEUTICAL BOTANY 



Family i6. Styrace^e. — A family of gamopetalous trees or shrubs 

 — the storax family — having alternate simple leaves and usually white 

 racemed flowers with a corolla of four to eight more or less united 

 petals. It embraces seven genera and 235 species, natives of all parts 

 of the world. 



Official drug 

 Benzoinum 



Part used 

 Balsamic resin 



Botanical name 



Styrax Benzoin 



Family 17. Composite. — The largest family of plants embracing 

 835 genera, and over 10,000 species. A family of gamopetalous herbs, 

 shrubs and rarely trees found in all parts of the world, having their 

 flowers in a head or capitulum on a common receptacle, surmounted 

 by an involucre, with five (rarely four) stamens inserted on the caroUa, 

 their anthers, syngenesious. Calyx tube crowned by a pappus in the 

 form of bristles, teeth or scales, etc. Corolla either ligulate or tubular. 

 In the perfect flowers a two-cleft style is present. Fruit, an akene. 

 The plants of this family contain inulin, a substance isomeric with 

 starch. 



Official drug 



Anthemis 



Arnica 



Matricaria 



Calendula 



Lappa 



Pyrethrum 



Taraxacum 



Part used 



Flower head 



Flower head 



Flower head 



Ligulate florets 



Root 



Root 



Root 



Botanical name 



Anthemis nobiUs 

 Arnica mbntana 

 Matricaria Chamomilla 

 Calendula officinalis 

 Arctium lappa 

 Anacyclus Pyrethrum 

 Taraxacum ofiicinale 



