79 
Ulmus glabra, 47 
var. camperdownensis, 47 
var. horizontalis, 47 
var. pendula, 47 
Unfolding leaves, 9 
Vaccinium corymbosum, 64 
Varnish-tree, 58 
Viburnum americanum, 26 
bracteatum, 34 
Canbyi, 34 
cassinoides, 33, 54 
dentatum, 33 
dilatatum, 34 
hupehense, 55 
Lentago, 26 
molle, 34 
Opulus, 26 
var. nanum, 26 
var. sterile, 26 
var. xanthocarpum, 26 
prunifolium, 25 
pubescens, 26 
Sargentii, 26 
red-fruited, 34 
rufidulum, 26 
theiferum, 34, 55 
venosum, 33 
Wrightii, 34 
Viburnums, 25 
Chinese, 55 
summer-flowering American, 33 
Weeping Ash, 47 
Weeping Beech, 46 
Weeping Birches, 47 
Weeping Cherries, 47 
Weeping Elms, 47 
Weeping trees, 45 
Weeping Willow, 45 
White Fir, 71 
White Pine, 72 
White Spruce, 69 
Wild Pear-trees, 10 
Willow, Golden-barked, 46 
Kilmarnock, 46 
Thurlow’s, 46 
Weeping, 45 
Willows, 45 
Winter, effects of in the 
Arboretum, 1 
Witch Hazels, 2 
Yama-sakura, 6 
Yellow-flowered American 
Currants, 8 
Yew, Japanese, 67 
Yodogawa, 14 
Zelkova crenata, 43 
keaki, 43 
serrata, 43 
