DESCRIPTION OF TREES. 171 



PURPLE WEEPING WILLOW (S. purpurea, var. pendulci}. 

 The glaucous foliage of this native willow, together with 

 the purple-colored shoots, gives a shade of color that is very 

 desirable in ornamental grouping. 



CAMPERDOWN ELM (Ulmus Montana, pendula), Fig. 88. 

 For an arbor-tree, one that will give a close shade and 

 last along time and is decidedly graceful in outline, this 

 tree stands at the head of the list. To get the best results, 

 it should be grafted at least six feet from the ground on 

 the upright Montana stock; otherwise the branches will be 

 too low to sit under conveniently, and when reaching near 

 the ground many of: the lower branches will soon decay. 



Trees with Deeply Cut Foliage. 



Maple, Wier's Cut-leaved. Maple, Variegated-leaved, Jap. 



Birch, Cut-leaved Weeping. Beech, Fern-leaved, Jap. 



Maple, Purple, Cut-leaved, Jap. Ash, Cut-leaved " 



" Green Fern-leaved " Oak, Cut-leaved " 



Of the above Wier's Cut-leaved Maple and Weeping Cut- 

 leaved Birch have already been described under " Weeping 

 Trees," Figs. 84 and 85, and are among the very best of 

 this group. 



JAPANESE MAPLES (Acer polymorplium , var.). Few 

 trees have such a variety of foliage or forms of growth as 

 this species. Some of the most beautiful of the forms have 

 already been mentioned, but no description given. Among 

 the best are the following: 



JAPANESE PURPLE CUT-LEAVED MAPLE (A.p.,dissectum 

 purpureum). A beautiful weeping, cut-leaved, small tree, 

 very slow in growth, but the leaves are so deeply cut and 

 fern-like, and with deep purple color, that one is well 

 repaid for considerable petting and long v/aiting if he 



