360 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



Summary by Minor Groups. 



Families 118 



Genera 



native 385 



introduced 89 



Total 474 



Species 



native 1123 



introduced 254 



Total 1377 



Varieties 



native 192 



introduced 17 



Total 209 



Forms 



native 65 



introduced 5 



Total 70 



Whole number of plants, (species, varieties and forms) not including 98 

 listed as fugitives, 1,656. 



