\ 
234 Scientific Intelligence, 
Middie United States, east of the Mississippi; by Avausr 
Keenter, M.D., Professor of Botany in the College of Pharmae 
of the city of New York. 400 pp-, 12mo, copiously illustrated. 
New York. 1876. Henry Holt & Co.—The structural portion 
of the work occupies ninety-three pages, and is apparently very 
well worked up. A glossary of eighteen pages follows. The 
remainder of the volume is a key, which—ignoring classes, orders, 
en 
dichotomal mode; the first couplet distinguishes Phanogams from 
Cryptogams ; the former are at once divided into those which 
perhaps a surer one than the present substitute. . 
7. Flora of Southwestern Colorado 5 : & Basan 
Reprinted from Hayden’s Bulletin of the Geological and Geograph- 
ical Survey of the Territories, vol. ii 3.—A small pamphlet, 
containing an excellent contribution to our In six pages 
ern slope, and not a tree of A. grandis could be foun alti 
ern slope. Pinus ponderosa is abundant at 8,000 feet co P 
and its large trees will furnish a great amount of lumber. 
