THE ORNAMENTAL PLANTS — TREES 329 
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 plan- 
tations or as nurses for better trees (p. 42). 
Laurel-leaved willow, S. laurifolia.t 
A small tree used in cold regions for shelter-belts; also a good ornamental 
tree. See also under Shrubs (p. 301). 
Sassafras, Sassafras officinalis.*f 
Suitable in the borders of groups or for single specimens; peculiar in 
winter; too much neglected. 
Rowan or European mountain ash, Sorbus Aucuparia (Pyrus 
Aucuparia).t 
Service-tree, S. domestica. 
Fruit handsomer than that of the mountain ash and more persistent; 
small tree. : : 
Oak-leaved mountain ash, S. hybrida (S. quercifolia). 
Small tree, deserving to be better known. 
Bald cypress, Taxodium distichum.* 
Not entirely hardy at Lansing, Mich.; often becomes scraggly after fif- 
teen or twenty years, but a good tree; many cultural forms. 
American linden or basswood, Tilia Americana.*t 
Very valuable for single trees on large lawns, or for roadsides. 
European linden, 7. vulgaris and T. platyphyllos (T. Europea of 
nurserymen is probably usually the latter).t 
Has the general character of the American basswood. 
European silver linden, T. tomentosa and varieties.} 
Very handsome; leaves silvery white beneath; among others is a weep- 
ing variety. 
American elm, Ulmus Americana.* t 
One of the most graceful and variable of trees; useful for many purposes 
and a standard street tree. 
