548 £VERGEEEy TREES AND SHIiUBS. 



Fig. 173. 



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with a color that cannot be improved — what more can we say for 

 a tree? Fig. 173 is a portrait of a full-grown hemlock in Studley 

 Park, England. Fig. 174 suggests the general appearance of a 

 well-grown hemlock at ten years after planting. Fig. 175 bears a 

 strong resemblance to a middle-aged and picturesque specimen 

 formerly growing on the edge of the rocky cliff below Niagara 

 Falls. The three will give a fair idea of the varieties of form that 

 hemlocks assume from youth to age. When quite young, how- 

 ever, they are apt to grow with a lighter, looser, and more open 

 growth than any of these cuts indicate ; and for half a dozen years, 

 by cutting back one-half the annual growth every spring, a richer 

 weight of verdure is produced. 



The hemlock loves a warm humid soil, and does not develop 

 all its beauty in thin light sandy loams, where the white pine 

 luxuriates. In a congenial soil the foliage is equally fine in sun or 

 shade, and where it is grown so that its branches overarch a walk 

 or road, no tree that we know of shows so fine a verdure on its 

 inner or shadowed surfaces. Yet, notwithstanding the cheerful 



