INDEX OF ENGLISH NAMES. 253 



Spruce, Norway* Abies excelsa. 

 Spruce, Smith s Himalayan. Abies Smithiana. 

 Storax, large-leaved. Styrax grandifolium. 

 Sumach, poison. Rhus venenata. 

 Sumach, Slag s horn. Rhus typhina. 

 Sweet gum. Liquidambar styraciflua. 

 Toothache tree. Xanthoxylon fraxineum. 

 Tree of Heaven. Ailantus glandulosa. 

 Tulip tree. Liriodendron tulipifera. 

 Tupelo. Nyssa multiflora. 

 Walnut, black. Juglans nigra. 

 Walnut, English. Juglans regia. 

 Walnut, white. Juglans cinerea. 

 Willow, Bedford. Salix Russelliana. 

 Willow, black. Salix nigra. 

 Willow, crack. Salix fragilis. 

 Willow, Crowe s. Salix Croweana. 

 Willow, curled. Salix babylonica aunularis. 

 Willow, daphne. Salix daphnoides. 

 Willow, Forty s* Salix Forbyana. 

 Willow, Forster s. Salix Forsteriana. 

 Willow, goat. Salix caprea. 

 Willow, hairy. Salix hirta. 

 Willow, large-leaved. Salix acuminata. 

 Willow, osier or twiggy. Salix viminalis. 

 Willow, Pomeranian. Salix pomeranica. 

 Willow, red. Salix rubra. 

 Willow, round-leaved. Salix rotundata. 

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