374 Statistics of the Flora of the Northern States. 
North American nor European in type), no Lobelia, no true 
Huckleberries (Gaylussacia) nor Vaccinia of the Blueberry type, 
(the section Cyanococcus), no Clethra, and few Andromedee, no 
Aquifoliacee, Ebenacece, nor Sapotacece; no true Bignoniacee, no 
and Paniceous and Andropogineous Grasses are altogether absent. 
How these failures are made up by a large increase of peculiar 
generic and specific forms in a few families, I will not stop to 
illustrate. But it is worth noticing that, while our eastern flora 
so many orders which are not represented in the western, 
no order represented in Oregon or California is wanting in the 
flora of our Northern States, unless Hydroleacee and Crarryacee 
be counted as independent orders; and both of these occur in 
the Atlantic states south of our geographical limits. 
The Distribution through degrees of latitude of the Phenogamous 
Species generally of the Flora of the Northern United States. 
Having devoted the greater part of our last article to the 
investigation of this subject as respects about 15 per cent of our 
species,—namely those common to this country and to Europe, 
—I shall not be expected to elaborate the range of our whole 
by Sir John Richardson, in the invaluable appendix to his Arctic 
arching Expedition. Of our Phzenogamous species about 
1745, or 83°5 per cent, are herbaceous plants. | 
218, or 10°83 per cent, are shrubs or woody vines. 
130, or 6:2 per cent, are trees. 
Northward and Southward Range in this country of our Shrub: 
neh and Trees. 
The average ran . 
through about 134 degrees of latitude. the 
The 15 following species are those which —— to have yr 
vreatest range north and south, namely, throug from 30 to4 : 
ge in America of our 848 woody plants is 
d 
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