Cclxvi PROCEEDINGS OF THE ROYAL HORTICULTURAL SOCIETY. 



Viola, 362 



calcarata, 193 



cenisia, 321 



elatior, 349 

 X florairensis, 193 



lutea, 349 



odorata, 349 



rothomagensis, 193 



sawfly, clxxv 



saxatilis, 193 



' Spencer Pea,' cxxxvii 



tricolor, 349 

 Violet, crown rot, 194 



its diseases, 194 



leaf spot, 194 



root rot, 194 

 Violets, double, 350 



white wood, 369 



with branching peduncles, 

 xli 



Violetta ' Slieve Donard,' cxxx 



Viper's Bugloss, 369 



Virgilia lutea, 220 



Vitex, 349 



Vitis armata, 223 



Veitchii, 223 



Henryi, 223 



megalophylla, 223 



sp., their pruning, 33 



Thomsoni, 223 



Thunbergii, 194 



vinifera, 193 

 Vuylstekeara x insignis, A.M., cxlix, 

 cli 



" Wall and Water Gardens," by G. 



Jekyll, reviewed, 289 

 Wallflower, 348 



the rogue, 83, 85, xlvi 

 Walnut, 348 



black, 5 



malformed, clxxvii 



vigorous hybrids, 645 

 Wasps eating Dahlia stem, clxxv 

 Water causing plasmolysis, 172 



hot, as an insecticide, 155 



influence on plant growth, 20, 

 197 



Wayfaring Tree, 369 



Weather, its influence on form of 



apples, 305 

 Weigela, see Diervilla, 

 Wellingtonia gigantea, 4 

 Wernham, H. F., " Monograph of the 



genus Sabicea," 590 

 Wheat, absorption by seeds, 183 



ear cockles, 162 



wild, 194 

 Whin, 349 

 White fly, 359 



grubs, 359, 628 

 Wild gardening, 361, 364, 365 \ 

 Wilks, Rev. W., his garden, 364, 565, | 

 367, 3(>S, 369, 372 ' I 



Willow seedlings, clxxvii | 



Willows, long cultivated, 348 



Wilson, E. H., his introductions, 215 



Wilting coefficient of soils, 648 



Winter aconite, 369 



Wireworms, 628, 642 



Wisley, development of, 493, iv 



Gardens Endovvment Fund, 493 

 informal gardening at, 366 

 Laboratory, contributions from, 



83, 269, 481 

 meteorological observations, 50 

 school of horticulture, 498 



Wistaria brachybotrys, 195 

 chinensis, 195 

 distribution, 219 

 frutescens, 195 

 multijuga, 195 

 sinensis fl. pL, cxxxi 



Wistarias, their cultivation, 194 



Withamia, 349 



Wood, 348 



apple, see Feronia elephantum 

 oil tree, see Aleurites Fordii 



Woods of U.S.A., 360 



Woodland gardening, 368, 369 



Woodlice, their economic importance, 

 359 



traps for, 360 

 Woodruff, 350 

 Wood Sorrel, 369 



Wootten, E. J., "The Perpetual 



Flowering Carnation," 290 

 Worsley, A., on the Veltheimias, 234 

 Wounds, dressings for, 344 

 Wyomingia, 163 



Xanthium, 154, 350 



germination of, 323 

 seeds, absorption by, 182 



Xanthorrhoea, 172 



Xenia, heredity of, 



Xylosma, new sp., 629 



Yarrow, 319 



galls, xlvi 

 Yellow wood, see Cladrastis virginica 

 Yew, 348 



Yponomeuta malinellus, 301 

 padellus, 301 



Zea Mays, 332 



Zephyranthes cardinalis, 196 

 Zinc arsenite, 196, 315, 360 

 Zizania aquatica, xliii 



latifolia, xliii 



miliacea, xliii 

 Zostera marina, 172 

 Zygadenus intermedins, constituents 

 of, 196 



venenosus, 196 

 Zygopetalum x Blackii, ccvii 



crinitum, ccvii 

 X Perrenoudii, ccvii 



Spotiisu-ooUe & Co. Ltd., trjniers, Colchester, London and Eton. 



2 3 APR. 1915 



