CONTENTS 



Analytical Key to the Families ....... 7 



Pteridophytes (Families 1-7) 17 



Spebmatophytes (Families 8-116) 26 



Gymnosperms (Families 8-9) . . > 26 



Angiosperms (Families 10-116) 31 



Monocotyledons (Families 10-27) 31 



Dicotyledons (Families 28-116) 127 



Abchichlamydeae (Families 28-85) 127 



Sympetalae (Families 86-116) 366 



Summary 603 



Abbreviations of Authors' Names 606 



List of New Names and Combinations 608 



Glossary 611 



Index 623 



