INDEX 



Prunus maritima^ 223 



Prunus Munsoniana, 222 



Prunus nigra, 222 



Prunus persica, of Chinese A-igin, 211 



Prunus pseudocerasus, 217 



Prunus pumilot 218 



Prunus salicina (Syn. P. trijlora), 220 



Prunus sibirica, 213 



Prunus Simonii, hybrid Plum-apricot, 221 



Prunus subcordata, 222 



Prunus subhirtella var. autumnalis, 266 



Prunus tomentosa, 217 



Pseudotsuga taxifolia t. compacta, 262 



Pseudotsuga taxifolia f. globosa^ 262 



Pyrus Calleryana, 210 



Pyrws serotina, 208, 209 



Pyrus ussuriensis, 208, 209 



Que7Cz/5 hallota, acorns used as food, 174 

 Quercus pedunculata var. fastigiata, 246 

 Quince, fall colouration of foliage, 40 

 Quince, history of the, 210 



Robinia, character of the bark, 31 

 Rochford, Earl of, introduces Lombardy 

 Poplar into England, 231 



Salix alba vitallina pendula, 236 



Salix babylonica, 227 



Salix blanda, a hybrid, 236 



Salix koreensis, 233 



Salix Matsudana, 233 



Salix purpurea pendula, 236 



Salix Salamoniiy a hybrid, 236 



Salix Warburgii, 233 



Sand Pear, favourite in China and Japan, 

 208 



Sargent, Professor, introduces Japanese 

 Yew into United States, 112; first to 

 flower Magnolia kobus var. borealis, 146; 

 introduces Magnolia salicifolia, 147; 

 hardy European Walnut, in garden of, 

 178; introduces Castanea mollissima, 189; 

 introduces Malus Sargentii, 266 



Sassafras, in Tertiary period, 18; fall colour- 

 ation of leaves, 36, 40 



Savin, dwarf forms of, 264 



Seed forms and manner of dissemination, 

 173 



Sequoias, in Tertiary period, 18 



Shadbush, fall colouration of foliage, 40 



Smoke-tree, fall colouration of fotliage, 40 



Sorrel-tree, fall colouration of foliage, 40 



Spruce, Black, dwarf variety of, 260 



Spruce, Blue, dwarf form of, 260 

 Spruce, Norway, dwarf forms of, 259 

 Spruce, White, dwarf form of, 261 

 Stuartia, character of the bark, 31 

 Sumach, fall colouration of foliage, 40, 41 

 Sweet Bay, hardy in New England, 136 

 Sweet-gum, distribution, 17; in Tertiary 

 period, 18 



Taxus baccaia, 108 

 Taxus baccaia var. fastigiata, 249 

 Taxus brevifolia, 107 

 Taxus canadensis, 107 

 Taxus chinensis, 108 

 Taxus cuspidala, and varieties, 108 

 Taxus cuspidate var. Hicksii, 250 

 Taxus jioridana, 107 

 Taxus globosa, 107 

 Taxits Wallichiana, 108 

 Thuja occidentalis f. Little Gem, 263 

 Thuja occidentalis i. recurva nana, 263 

 Thuja occidentalis f. Reedii, 263 

 Thuja occidentalis f. Tom-Thumb, 263 

 Thuja occidentalis f. umbraculifera, 263 

 Thuja occidentalis f. Woodwardii, 263 

 Thuja occidentalis var. Pyramidalis, 248 

 Tilia platyphyllos var. pyramidalis, 246 

 Topiary work, early use of the Yew, 105 

 Truffle, found in Beech woods, 170 

 Tsuga canadensis var. compacta, 2G2 

 Tsuga canadensis var. pendula, 262 

 Tuber cibarium, found in Beech woods, 170 

 Tulip-tree, only two species of, 15; in Ter- 

 tiary period, 18; fall colouration of leaves, 

 36, 39, 41 ; fastigiate variety of, 244, 245 

 Tupelo, fall colouration of foliage, 40, 41, 

 42 



Ulmus glabra var. fastigiata, 245 



Ulmus nitens var. stricta, 245 



Ulmus nitens var. Wheatleyi (Syn. U. cam^ 



pestris monumentalis), 246 

 Umbrella-tree, description and habitat, 



140 

 Umbrella-tree, Ear-leaf, discovered by W. 



Bartram, 141 

 Ungnard, Dr. von, introduces horsechest- 



nut into Europe, 120 

 Utrecht Botanic Garden, first Ginkgo-tree in 



Europe planted in, 54 



Van Fleet, Dr., work in producing Chest- 

 nuts immune to blight, 187; with Bush- 

 chestnuts, 190 



Viburnum, fall colouration of foliage, 40 



277 



