CONTENTS. 



PAGE 



Preface v 



Key to Natural Orders vii 



Exogenous Plants 1 



Choripetalse Hypogynse 1 



Choripetalse Perigynse 88 



Sympetalse Perigynse. . 161 



Sympetalse Hypogynse .' 235 



Apetalse Amentiferss 296 



Endogenous Plants 305 



Calyceae Perigynse 305 



Index 322 



Glossary 329 



