TABLE ILLUSTRATING ALTITUDES OF ALPINE PLANTS IN IRELAND. 
Drawn to Scale, each space between the lines representing: 100 feet. 
v.— WICKLOW AHD 
DUBLIN. 
Lat. 62' 47' to 63* 36' 
-MATO, OALWAY, AND OLABE. 
Till.— BEN BULBEN AND OLENADE. 
lat. 64" 16' to 54° 30' 
X.— DONEOAI,. 
Lot 64' 30' to 65* 26 
North-western. 
:h*- 
ft 
[I: 
8 i 
sight* i» of )eM import than mean of lower limits, the former being dependent on the accidental circumstance 
Taking Donegal, where most Alpines occur, as a basis of comparison, the mean of lower limits of these species 
of heights of mountains occurring, to the summits of wliioh, or nearly so, 
in each district above the mean of the same species in Donegal is I., 855 ; II., 
)ral Alpines will always ascend. Mean of lower limits points more truly to climatic conditions. 
; III., 1190 ; IV., 1100 ; V., 945 ; TI., B09 ; VII, 1000 ; VIII., 377 ; IS., 231. 
