CONTENTS 



ANALYTICAL KEY TO THE FAMILIES 7 



PTERIDOPHYTES (FAMILIES 1-7) . . . . . ' . .' . t . 17 



SPERMATOPHYTES (FAMILIES 8-116) . . . ... . .26 



GYMNOSPERMS (FAMILIES 8-9) . . . . . . . 26 



ANGIOSPERMS (FAMILIES 10-116) . . . . . ' . . . 31 



MONOCOTYLEDONS (FAMILIES 10-27) .... ^J> . 31 



DICOTYLEDONS (FAMILIES 28-116) ... . , : . ;/. . 127 



ARCHICHLAMYDEAE (FAMILIES 28-85) . . ' . * . 127 



SYMPETALAE (FAMILIES 86-116) , . . . ^ ,. ,366 



SUMMARY . . . . . , . . . ; . 603 



ABBREVIATIONS OF AUTHORS' NAMES . . ." . *,* . t . 606 



LIST OF NEW NAMES AND COMBINATIONS . ... . . . 608 



GLOSSARY . . .' ' . . . . ^ . . . . 611 



INDEX 623 



