105 
Regions. 
Families. 
Prairie. 
Forest regions, 
including de- 
ciduous broad 
leaved trees, 
and evergreen 
conifers. 
Shrubbery re- 
gions includ- 
ing Larix and 
Alnus Salix 
formations. 
Higher grass 
region. 
Total number 
of species 
belonging to 
each family. 
Anacardiaceae 
4 
1 
4 
Aquifoliaceie 
4 
2 
6 
Celastrace;e 
6 
3 
9 
Staphyleacese 
1 
1 
2 
Aceraceae 
12 
12 
Hippocastanacese 
1 
1 
Balsaminaceae 
2 
2 
2 
Sabiace* 
2 
1 
2 
Rhamnaceae 
2 
2 
Vitacese 
5 
1 
5 
Tiliacese 
1 
1 
Dilleniacese 
3 
3 
Theaceas 
2 
2 
4 
Stachyuracese 
i 
1 
Guttifene 
6 
6 
Elatinaceoa 
1 
1 
Violaceae 
3 
6 
8 
Thymelseacese 
2 
2 
Elseagaacea; 
3 
9 
O 
Lythrace* 
2 
2 
Onagracese 
3 
4 
7 
Halorrbagidacea; 
1 
1 
Araliacese 
7 
3 
9 
Umbelliferse 
14 
5 
3 
20 
Cornacete 
4 
3 
5 
Cletbracese 
1 
1 
i 
Pirolacese 
8 
1 
i 
8 
Ericaceae 
9 
7 
5 
3 
18 
Diapensiaceoe 
i 
1 
1 
1 
