CClxii PROCEEDINGS OF THE ROYAL HORTICULTURAL SOCIETY. 



Sweet Peas, winter-flowering, tried at 



Wisley, 1914-15, 115, 116 

 Swertias in Yunnan, 208 

 Sycamore with whorled branches, xlii, 



xliii, xlvii 

 Sycopsis sinensis, xxxviii 

 Symphoricarpos, galls on, xlvi 

 Synchytrium endobioticum, 162 

 Syringa Sweginzowii, A.M., cxxiii 



Tabog, see Chaetospermum glutinosa 



Tacca cristata with leaf-bud in in- 

 florescence, xxxix 



Tanning materials, 520 



Taxus brevifolia, 22 



Tea Houses, 469 



Tecophilaea Cyanocrocus, lxii 



Tectopulvinaria loranthi, 514 



Teia anartoides, 511 



Temperature, effect of low, on control 

 of plant distribution, 154 



Tensions in stem tissues, 534 



Tetranychus bimaculatus, on pear, 

 cxciii 



Tetropium gabrieli var. crawshayi, 

 157 



" Text-book of Grasses," by A. S. 



Hitchcock, reviewed, 133 

 Thea viridis, scales on, 514 

 Theobroma Cacao ' Calabacillo,' 152 

 Thielavia basicola, 168 

 Thoday, D., " Botany," 481 

 Thomas, G. C, " The Practical Book 



of Outdoor Rose-growing," 134 

 Thomas, H. H., " Bulb-Growing for 

 Amateurs," 482 

 The Book of Hardy Flowers," 

 356 



" The Greenhouse : its Flowers 

 and Management," 482 

 Thorn-apple as a drug plant, 155 

 Thorpe, F. N., " An American Fruit 



Farm," 351 

 Thunbergia Gibsonii, 534 

 Thuya gigantea, 22, 24 



host for shot-borer, 39 

 occidentalis Spaethii, 419 

 orientalis, 3 



pendula, 3 



Thymus, 425 

 Tiarella, 425 

 Tilia alba, 19 



americana, mycorrhiza on, 



' 159 



Oliveri, 168 



petiolaris, 8, 19 



sp. in Yunnan, 206 



tomentosa, 9, 19, 168 



ulmifolia, 379 

 Tillandsia Benthamiana var. Andreuxii, 

 168 



regina,' 534 

 Tobacco, control of pests, 168 



diseases, 387, 523 



horn worms, 388 



insects, 534 



mosaic disease, 380, 387 

 wire-worm, 534 



Tomato, American varieties, 535 



bacterial disease of, 223 



black spot, 168, 169 



blossom end rot, 168 



heredity of types of inflor- 

 escence, 387 



infection of seed, 169 



soils for, 169 

 Tomatos, absorption by, 149 



longevity of seeds, 165 



manurial experiments, 388 

 Tools, preservation of, 169 

 Tortoise-shell butterfly, 39 

 Trametes Pini, 379 

 Transpiration in emersed plants, 535 

 Transplanting, 388 



Tree of Heaven, see Ailanthus glandu- 

 losa 



wound dressings, 535 

 " Trees : a woodland Notebook," by 



Sir H. Maxwell, reviewed, 129 

 Trees and shrubs of Pacific Coast, 21 



care of, 169 



of Cambridge Botanic Garden, 1 

 saltpetre for destroying, 164 

 j Trichocaulon pictum, 169 

 I Triphasia glauca, 156 

 Trollius chinensis, 170 

 Tropaeolum majus, colour changes 

 in, 42 

 wilt, 523 

 tricolor, 535 



tuberosum producing aerial 



tubers, 45, 49 

 I Tsuga Albertiana, 24 



canadensis diseased, 160 

 Hookeriana, 22, 24 

 yunnanensis, 206 

 Tulip ' Bleu Aimable,' 240 

 ' Bouton d'Or,' 245 

 ' Clara Butt,' 241 

 classification, 237, 242 

 ' Empire,' cxlvi 

 ' John Ruskin,' 249 

 ' Marconi,' A.M., cxlvi 

 ' Mrs. Moon,' 245 

 ' Nirvana,' clxvi 

 nomenclature and classification, 



234 



retroflexa, 248 



show report, lxxxv 



' Sir Joseph Paxton,' 244 



' Winner,' clxvi 

 Tulipa Fosteriana, xlvii 

 Tulips breaking, 237, 242, civ 



fire in, xlvii 

 Turnip gall weevil, 535 

 Turnips, phosphorus in, 161 



longevity of seeds, 165 

 Tylenchulus semipenetrans, 153 

 Tyloderma fragariae, 533 

 Typhlocyba comes, 519 



Udale, J., " The Handy Book on 

 Pruning, Grafting, and Budding," 

 349 



Ulmus campestris, 16, 17 

 glabra, 15 



