The oaks are slow growers and usually transplant with difficulty. Natural specimens are most valuable. A large well-grown oak is one of the grandest of trees.
Locust, Robinia Pseudacacia.*† Attractive in flower; handsome as single specimens when young; many forms; used also for hedges.
Peach-leaved willow, Salix amygdaloides.* Very handsome small tree, deserving more attention. This and the next valuable in low places or along water-courses.
Black willow, S. nigra.*
Weeping willow, S. Babylonica.
To be planted sparingly, preferably near water; the sort known as the Wisconsin weeping willow appears to be much hardier than the common type; many forms.
White willow, S. alba, and various varieties, one of which is the Golden willow.
Tree willows are most valuable, as a rule, when used for temporary plantations or as nurses for better trees.
Laurel-leaved willow, S. laurifolia‡
A small tree used in cold regions for shelter-belts; also a good ornamental tree. See also under Shrubs.