72 THE CANADIAN FORESTEr's 



they have done their work, the inferior trees can be cut, 

 and the ground left to the hickories alone. 



No firewood is to be compared w^ith the.hickory ; and 

 for all purposes requiring great power of resistance it i 

 is most excellent. The small-fruit hickory grows to a 

 height of seventy feet by two feet in diameter ; the bitter- 

 hickory to fifty feeb ; and the shell-bark to sixty feet. 

 The wood of the last, wrongly named noi/er tendre 



49.— Carya alba— Leaves and nuts of shell-bark hickory, 



(soft walnut), is very hard, and is much sought after on 

 that account. Of all woods it is the best for firing. The 

 pig nut is also of good quality, and attains a height of 

 seventy feet, while the white-heart does not exceed fifty. 

 The latter's kernel is contained in a very hard shell. 

 Eng. No. 48, p. 11, represents the seed of bitter-hickory. 

 No. 49 the leaves and seed of the shell-bark hickory ; 

 No. 50, p. *73, represents the pignut seed and No. 51, 

 same page, the seed of the white-heart hickory. 



Castanea Vesca — Chesnut. 



Rich, silicious soils suit this tree best ; it abhors wet 

 clays. Its seed, the edible chesnut, three hundred to the 



