CONTENTS XI 



Pages 

 The Fruit. — Definition; modifications; distribution. 50 



Fruit Structure. — Pericarp; exocarp; endocarp; epicarp; sarcocarp; meso- 



carp; putamen; dehiscence S°-5i 



Classification or Fruits. — Simple; Aggregate; Multiple; dry dehiscent; 



dry in dehiscent; fleshy indehiscent . Si-S3 



The Seed. — Definition; structure, appendages . S3-S4 



Mode op Formation of DrtTERTNT Types of Ai^umen. — Perispermic; endo- 



spermic; perispermic and endospermic; exalbuminous and albuminous 



seeds . . 54-55 



PART II 



Taxonomy 



Thallophyta. — Definition. Characters of the Myxomycetes, Schizophyta, 

 Algae, Fungi, and Lichenes. Life History of Claviceps purpurea. Plants 

 of the group yielding of&cial drugs. . . . 56-64 



Bryophyta. — Definition. Characters of the HepaticK and Musci. Life 



history of a typical true moss ... . . 64-66 



Pteridophyta. — Definition. Characters of the Lycopodiales, Equisetales 

 and Filicales. Life History of a typical fern. Plants of the group yield- 

 ing official drugs . . 66-6g 



Spermatophyta. — Definition. Characters of the Angiospermia and of their 

 classes and families yielding drugs. Tables of official and unofficial 

 drugs with the names of plants and parts constituting the drug. Char- 

 acters of the Gymnospermia and of the family yielding official drugs. 

 Table of official and unofficial drugs yielded by Gymnosperms 69-93 



