ILLUSTRATED GDIDE. 



87 



Tsuga Canadensis — Hemlock-Spruce. 



This species finds itself at home on stony hill-sides, 

 where the soil is light. It will grow, but much more 

 slowly, on richer lands. The seed, a pound of. which 

 contains eighty thousand pickles, ripens in autumn, and 

 should be treated like that of the spruce, and at two 

 years old the plants may be set out permanently. As 



72.— Oak with tap-root cut off, a year after tho operation. 



regards beauty of form, it is one of our noblest indi- 

 genoiis trees, often reaching eighty leet in height. The 

 wood of the hemlock is coarse in grain, and difficult to 

 work up. Now-a-days, boards, planks, and laths, in 

 great numbers are made oi it, on accou-rtt of the scarcity - 

 of pine. Sleepers, or ties, for railroad use are derived 

 from it ; but they are of very inferior quality In tan- 

 neries the bark of the hemlock is much used, and this 



