804 BOTANY. 
addition to elevations, the latitude and mean annual tempe 
of many localities. We notice some inaccuracies and omi 
in comparing it with ‘‘Gannett’s List of Elevations” published 
Hayden’s Survey, those relating to the heights of pron 
mountains being inexcusable. These, with typographical an 
FLora or Cororapo.*—The inhabitants of the far west 
eastern tourists will have reason to thank Dr. Hayden for 
useful series of practical manuals of the natural history 
Rocky Mountains he is so energetically pushing on to completi 
This synopsis, the first of the series, is very opportune, a 
places in the hands of the tourist or botanist a ready means 
identifying the plants of a region so rich in interest as Uoior® 
e only regret that the preliminary essay on the geogra 
distribution of the Rocky Mountain flora could not have ap 
in the same volume. h 
The plan followed in the synopsis is that of Mr. Watson ™™ 
catalogue contained in the fifth volume of ‘* King’s Report on on the 
Geology, etc., of the Fortieth Parallel.” Descriptions are given ' 
all the jiii not mentioned in “Gray’s Manual,” “ Chap 
Flora” and other floras of the eastern states 
The mosses and Hepaticæ have been elaborated by M 
Lesquereux, the lichens by Mr. H. Willey, and the fungi by ™ 
Peck, while the name of the author of the larger portion on *™ 
nerogams is a sufficient guarantee of the quality of the work. 
BOTANY. 
ABNORMAL FORM OF ALLOsoRUSs ACROSTICHOIDES. — OD & 
Isle Royale, Michigan (Lake Superior), in August, "a I x 4 
present flourishes on a rockwork made for the purpose- 
an instance of a curious abnormality which, I believe, ? 
hitherto been noticed in this fern. I refer to its producing ft ke 
* Synopsis of the Flora of Colorado. By Thomas ©. Porter and Jan P 
Department of the Interior U, 8, Geological and Geographical apb a 
tories, F.V, porte | U.S. l Genlogish in charge. Miscellaneous Pub 
Washington, 
