1914] 
Jackson: Land Vertebrates of Ridgeway Hog 
21 
laricina and Picea mariana are the most prominent plants of this 
asso(*iation; Pinm divaricata, Sarmcenia purpurea, Ledum (jroen- 
landicum, Chamaedaphne caJycnlaUt, Kalmia glaum, Vaccinium 
eauadense, Ain us incana, Cornus eanadensis, and Sorhus ameri- 
Fig. 5. A Waterhole in the Tamarack-Spruce Association. 
This hole liad an area of about four by six feet, and a depth of seven 
feet; of this depth the bottom four feet consisted of watery, peaty muck, 
over which was about one foot of clear water. A breedinji; place of Hana 
ranlaJfn'gensis. 
cana are present in nuniliers. Scirpus eyperiurus. Iris versicolor, 
and Carex are occasionally encoimti'red as scattered I'enmants of 
the Sedge Association. 
