Part 68

White-heart hickory (Carya tomentosa, Nutt) 51-53

Whitewood (Liriodendron Tulipifera, L.) 104-106

Whitewood (Tilia Americana, L.) 153-155

Wild plum (Prunus Americana, Marsh.) 171 (Prunus nigra, Ait.) 122, 123, 171 red cherry (Prunus Pennsylvanica, L. f.) 124, 125

Willow family. (=Salicaceae=) 28-46

Willow, Black willow (Salix nigra, Marsh.) 42, 43 Crack, Brittle willow. (Salix fragilis, L.) 43-45 Pussy willow, Glaucous willow (Salix discolor, Muhl.) 40, 41, 171 White willow. (Salix alba, L., var. vitellina, Koch) 45, 46

Witch hazel family. (=Hamamelidaceae=) 108, 109

Yellow birch. (Betula lutea, Michx. f.) 63, 64 oak. (Quercus velutina, Lam.) 89-91