CONTENTS 



BOOK III. 



SYSTEMATIC BOTANY, 

 OB THE CLASSIFICATION OF PLANTS. 



CHAPTER I. 



General Peinciples of Classification . . 1 



Species, genera, orders, and classes . . 1 



Species ... . 2 



Varieties .... . . 2 



Races . . ... . s 



Genera . . . , 4 



Natural Orders . ... . .5 



Classes . . . (i 



Characters, nomenclature, abbreviations, and symbols . 7 



Characters .... . . 7 



Nomenclature ... s 



Abbreviations and symbols ... .10 



CHAPTER II. 



Systems of Classification . 12 



Artificial systems . . Ifi 



System of Linnteus .... Ki 



Natural systems . . . . . 17 



System of Ray . . . . .17 



„ Linnaeus . . . . .17 



,, Jussieu ..... . . 18 



De Candolle ... IK 



, Endlicher 21 



