4* THE CANADIAN FORESTER'S 



three inches, when they may be transplanted into the 

 nursery, to be finally set out in their permanent resting 

 place when they are from two to three feet high. The 

 poplar-leaved-birch, at maturity, arrives at a height of 

 about thirty-five feet, and the canoe-birch measures sixty 

 feet by two feet in diameter ; while the yellow-birch 

 attains fifty feet by one foot, the black-birch seventy feet 

 by three feet, and the red-birch fifty feet. I do not think 

 these birches will pay to grow from seed, but they ought 



14 — Fraxinus Americana — White-ash. 



to be preserved and cultivated in places where they grow 

 naturally in succession to a fall of wood composed of 

 resinous trees, a very common, if not a universal, occur- 

 rence. It may also answer to plant birch where moist 

 sandy lands are to be found near a wood of these trees, 

 in which a crowd of young plants are growing naturally. 

 Plants of three years old, which can be recognised by 

 the bark beginning to whiten, should be selected for 

 this purpose. The white birch furnishes the material of 



