CONTENTS. 
Page. 
Introduction.........-... 2022 eee eee eee eee eee eee e ee eee eee eeeeee wee 9 
Systematic treatment of the vascular plants . .......-.-.--------+-+++++++++- 12 
Synopsis of the larger groups, with keys............---------+++++++++++- 12 
Annotated catalogue. ......... 20.5002 0-2 cece e eee eee eee crete eee ences 18 
Summary of larger groups, with numbers of genera and species ........... 754 
Geographic index........- 2-2-2 2s cence eee eee eee eee eee reece teeter se tees 755 
List of new genera, species, and hybrids, and new names........----------+- 772 
Index..........----+- wee c ccc cece e eee e eee ence ee eee ewan cece eect eee neteeces 775 
