43 
SUMMARY. 
Seeicacis Genera, Indigenous, . : : ‘ . 408 
5. Introduced, . é ; : : 15 
hageseatire Genera, ... : : é ‘ ‘ . 85 
Total of Genera ; ; : ‘ ._—— 508 
a ae Spactes, Tadligenous. ; : : : . 1, 094 
Introduced, ‘ : : ; 28 
De we te) 8 TS 
Total of Species, : ‘ : : : , .-——-~=«i1,301 
Genera wholly new, ‘ ; = : ‘ ‘ 5 
_ Species wholly new, Phienogamous a co ee eee 
‘ ryptogamous, . ome : 9 
Before collected, but Gnddsaribed: : : ‘ 27 
7 Total of New Species, é : ‘ _- 121 
WASHINGTON, D. C., May, 1871. 
” 2, ll 
