192 THE BOOK OF FORESTRY 
HEMLOCKS 
Leaves flat, with tiny stalks and round at the tip. 
EASTERN HEMLOCK WESTERN HEMLOCK 
Tsuga canadensis Tsuga heterophylla 
LEAVES LEAVES 
i7_2"" long, dark green with 2 1’’-2” long, very shiny, greer 
whitish lines on under side. on top with 2 whitish band 
beneath. 
CongEs CoNngES 
3/13” long on slender stalk. 3-1" long, borne on twig (ac 
stalk) 
RANGE RANGE 
Maine to Minnesota south to|Southern Alaska to Central 
Georgia California, east to Idaho. 
There are four hemlocks in the United States. The 
two described above are of the greatest economic im- 
portance. 
