Statistics of t. te Flora of the Northern States. 211 
Whole |No. of Gen- No a a OS : of our 
Orders. | No, of Indigenous [sl ral fee and 04 Pisce og | Taigenou | Species : 
then oe A pecien. | te _ pecies, Europe, 
Liliacere, i 12 9 4 28 24 5 
Melanthacer, 12 12 21 21 1 
uncace 3 3 26 26 14 
Pontederiacere, 3 3 4 4 
Commelynacez, 2 2 6 6 
Xyridace 2 3 4 ae 
cme i 3 3 5 5 1 
Cypera e, 16 16 1 214 2138 48 
Gra ihincs 65 55 32 194 162 32 
172 159 37 638 601 141 
Total von ea 794 | 681 | 260 | 2351 | 2091 | 321 
é 
Crass II]. ACROGEN A. 
fee 1 1 10 Me BE Bea 
20 20 49 49 20 
saat | 2 2 12 12 6 
ht thbew 9 9 4 4 1 
rsileacese =f 
we 1 oe Ss eT ee 
Crass ITV. ANOPHYTA. 
Musci, 80 80 0 394 394 255 
Hepatice, 38 38 0 108 108 65 
Total, 118 118 0 502 502 320 
Cryptoga- | 
mie, Cl beat | 148 143°} 0 577 577 | 355 
Total of the 4 | a he 
_. Classes, < ~ t 937 | 824 | 260 2928 | 26 
It is plain enough that the numbers in this tabular view must 
be essentially influenced throughout by one’s views as to the lim- 
itation of species and genera. In the hands of a few botanists, 
the flora of the Northern States might exhibit a somewhat 
aller number of species than it here does; but with most, 
there would undoubtedly be a stronger tendency in the opposite 
direction. As it is obviously impossible at present to reduce the 
various ideas and shades of difference that prevail respecting 
Species to one common standard, all that can be done is to indi- 
cate the bias, or what astronomers call the ao ite 4 
each author, which must be duly considered when diff 
