TABULAR VIEW OF THE FAMILIES 



27 



SUMMARY BY DIVISIONS, CLASSES, ETC. 



SUMMARY BY MINOR GROUPS 



Families . . 157 



Genera native . . 



introduced 

 total . . 



Species native . . 



introduced 

 total . . 



Varieties, named 

 forms, etc. native . . 



introduced 

 total 



821 



180 



3413 

 .. 666 



766 

 40 



1001 



4079 



806 



Whole number of different plants (species, varieties, and named forms) treated in 



this work . 4885 



