312 Trees for Shade and Ornament 
high, with pretty foliage of the white oak type, and of similar hue as 
the preceding, is useful for the same purposes. 
The wealth of American forms is so great that there is hardly any 
need for introducing foreigners, yet at least three may be mentioned as 
Fic. 112. — Italian Oak. Quercus conferia Kit. 
occasionally planted and having merits of their own. Although be- 
longing botanically to the white oaks, their bark is brown or at least 
dark and ridgy: 
Q. Robur Linn. (304), English Oak, comprising two very simular 
species, pedunculata and sesstliflora, the principal oak of Europe, 
nearly hardy to Ottawa; a large tree forming a broad, round-topped, 
spreading head, with glossy leaves, oblong and somewhat more evenly 
