TABULAR VIEW OF THE FAMILIES 



27 



SUMMARY BY DIVISIONS, CLASSES, ETC. 



Division, Class, etc. 



Pteridophyta , . . 



Spermatophyta . . . 



Gymnospermae . . 



Angiospermae . . 



Monocotyledoneae 



Dicotyledoneae . 



Archichlamydeae 



Metachlamydeae 



Genera. 



Native. Introd 



31 

 790 



10 

 780 

 184 

 596 

 335 

 261 



180 



180 

 26 

 154 



88 



Native. Introd 



115 



3298 



25 



3273 



993 

 2280 

 1249 

 1031 



666 

 3 

 663 

 92 

 571 

 321 

 250 



Varieties and 

 Named Forms. 



Native. Introd 



61 



705 



2 



703 

 236 

 467 

 253 

 214 



SUMMARY BY MINOR GROUPS 



Families 157 



Species 



1001 



4079 



Varieties, named 

 forms, etc. 



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

 this work 



4885 



