TABULAR VIEW OF THE FAMILIES 



27 



SUMMARY BY DIVISIONS, CLASSES, ETC. 



Division, Class, etc. 



Pteridophyta . . . 



Spermatophyta . . . 



Gymnospermae . . 



Angiospermae . . 



Monocotyledoneae 



Dicotj'ledoneae . 



Archichlamydeae 



Metachlamydeae 



Genera. 



Native. 



31 

 790 



10 

 780 

 1S4 

 596 

 335 

 261 



Introd. 



180 



180 



26 



154 



8S 

 66 



Species. 



Native. 



115 



3298 



25 



3273 



993 

 2280 

 1249 

 1031 



Introd. 



606 

 3 

 663 

 92 

 571 

 321 

 250 



Varieties and 

 Named Forms. 



Native. 



61 

 705 

 2 

 703 

 236 

 467 

 253 

 214 



Introd. 



40 



40 



5 



3ft 



15 

 20 



SUMMARY BY MINOR GROUPS 



Families 157 



Genera 



Species 



native 821 



introduced .... 180 

 total 



native 3413 



introduced .... 666 

 total 



Varieties, named 

 forms, etc. 



1001 



4079 



native 766 



introduced .... 40 



total 806 



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

 this work » 



4885 



