7 
© We have 30 species in comm n with the Himalaya, or northerii 
India, of which 2 are not found elsewhere. 
We have in common with northern or eastern Asia 30 species, of 
which two are not found elsewhere. If we make a similar com- 
parison with the Himalayan region and the north and east of Asia 
united, we have 46 species in common! of which 5 are exclusive, 
If we add Europe to this comparison, we have 52 species in com- 
mon, of which 26 are exclusive. We have also 29 species which 
occur in the West Indies, 26 which oecur in Africa or southern Asia, 
36 which inhabit South America, and 19 which occur in Polynesia. 
The preponderance of Asiatic forms in our fern flora will at once be 
perceived, and opens an interesting field of inquiry. ‘Those wishing 
to enter upon it are referred to Dr. Gray’s ‘* Observations on the 
relation of the Japanese Flora to that of North America and of 
other parts of the northern Temperate Zone,” in 6th vol. of Me- 
moirs of Am. Acad, Arts and Sci., 2d series, also in Silliman’s 
Journal, Sept., 1859. And in this connection the student will find 
the elaborate and excellent tables in Mrs. Lyell’s “ Geographical 
Hand Book of Ferns” of great service. Seldom has been brought to- 
gether such a mass of botanico-geographical facts, so well system- 
atized, and so convenient for use. 
§ 2. Hamilton Coliege—The Catalogue of Hamilton College for 
1874—’5 contains a feature that is rather novel, but certainly very 
desirable. In its (regular) mention of ‘“‘The College Grounds,” 
after a short statement of the design of the Curators of the College 
Grounds, with some historical matters—a part of which design is 
“to obtain specimens of every tree and shrub supposed to be hardy 
in the climate of Central New York—a resumé of the experience 
‘of the Curators is given in the shape of; (1) a list of the trees which 
have thus far proved tender in that climate, comprising nine ever- 
green trees and four deciduous ; (2) of deciduous trees which have 
proved hardy and desirable, numbering eighty-seven species; (3) 
of evergreens which have been found hardy and wortby of the at- 
tention of planters, numbering twenty-eight species; (4) a list of 
hardy shrubs, numbering fifty-three species; (5) of trees and shrubs 
procured during the past year, and not yet tested, embracing twenty 
deciduous trees, thirty-seven evergreen trees, and nineteen shrubs. 
From my knowledge of the college grounds, I am inclined to 
think that the list of hardy trees is not quite full. Most of the de- 
ciduous trees, and a large portion of the evergreen trees and of the 
shrubs, are natives. Among the trees and shrubs “ not yet tested 
as to their hardiness,” I notice a number of natives, several of them 
natives of the immediate vicinity of the college, and which are cer- 
tainly tested as to the climate, whatever may be the effect upon 
them of cultivation, 
The College Campus is situated upon a high hill, at the intersec- 
tion of the Mohawk and Chenango valleys, overlooking a very large 
tract of the region whose peculiar botanical richness is shown in 
Paine’s Catalogue; the cities of Utica and Rome lying far within 
the circle of vision. The hill is swept over by severe winds, how- 
ever, and is as hard a place for plants ascan well be found in the 
