Cliv PROCEEDINGS OF THE ROYAL HORTICULTURAL SOCIETY, 
Sea-buckthorn, 282, 345 
Sedums in herbaceous border, 4 
Seed sowing, 9 
" Seeding and Planting," by J. W. 
Tourney, reviewed, 537 
Seedlings attacked by Bibio, 549 
diseases carried in, 579 
Seeds, temperature and life duration, 
242 
Selenipedium caudatum Sanderae, 
A.M., lxi 
Wallisii, lxi 
Senecio clivorum, 282, 287, 288 
Hectori causes skin irritation, 
547 
Veitchianus, 282 
vulgaris, 250 
Wilsonae, 282 
Septoria Gladioli, 225, 561 
Petroselini var. Apii, 109 
Sewage sludge, 523 
Seward, A. C, " Science and the 
Nation," 533 
Shallots tried at Wisley, 146 
Shipley, A. E., see A. Schuster 
Shortia, 285 
Shot-borer beetle, 223 
Silene pennsylvanica, 573 
Silpha bituberosa, 576 
opaca, 576 
Sitotrogra cerealella, 561 
Skin irritation caused by plants, 574 
" Small Garden, The," by Mary 
Hampden, reviewed, 535 
Snowdrops, 28 
autumn flowering, 574 
naturalized, 82 
structure of flowers, 28 
two-flowered, xxxi 
Sobralia verrucosa, 566 
Soil acidity, 574 
bacteria, influence of various 
agents upon, 242 
*' Soil Conditions and Plant Growth," 
by E. J, Russell, reviewed, 534 
Soil cultivation, 251 
fertility, xcv 
flora, 574 
greenhouse treatment, 575 
moisture, 228, 243, 245, 247, 
575, 580 
nitrogen, 243, 244, 245 
organic matter in, 231, 243, 574 
potassium, 575 
Soils, absorption in, 206 
calcium in, 244, 574 
dynamiting, 576 
sulphate of ammonia, its effect 
upon, 575 
sulphur in, 247 
temperature effect upon, 575 
Solanum crispum, 85 
autumnale, 85 
Dulcamara, buds on roots, ci 
Soliva sessilis, 250 
Solomon's Seal, 284 
Sonchus oleraceus, 250 
Sophrolaeliocattleya x ' Corona,' 
cxxiii 
Sophrolaeliocattleya x ' Dorilla,' cxxiii 
x ' Althea,' lvii 
X ' Marathon,' lix 
x ' Meuse ' var, ' General 
Nivelle,' A.M., lix 
X ' Myra,' lvii 
Sorbus Ambrozyana, 214 
hupehensis aperta, 214 
laxiflora, 214 
obtusa, 214 
Prattii tatsienensis, 214 
Soybean, 576 
Fusarium blight, 224 
Sparganium, 289 
Sphaeropsis malorum, 207, 546 
Sphaerotheca Humuli, 561 
Spinach carrion beetle, 576 
Spiraea palmata, 287 
gigantea, 282, 287 
rosea, 282, 287 
teretiuscula, 214 
Ulmaria mildew, 561 
venusta, 287 
Spiraeas in water garden, 282 
Spongospora scabies, 238 
Spraying, 576 
Spruce, black, 246 
needle rust, 560 
Norway, 248 
see also Picea 
Sitka, diseases, 238 
white, 264 
Squashes, cultivation, 230 
Stachys, host of currant aphis, 564 
Stagonospora Narcissi, 57 
" Standard Cyclopaedia of Horticul- 
ture," by L. H. Bailey, 199 
Stapelia Gettlem, 576 
Statice incana, 2 
latifolia, 2 
tatarica, 2 
Statices, suggested improvements in, 2 
Stebbing, M. E„ " The Flower Garden 
and How to Work in it," 538 
Sterility following hybridization, 226 
Stocks for grafting, 247 
tried at Wisley, xlv, xlvii, xlix, 
cxv 
Stranvaesia undulata, 581 
Strawberries, alpine, 23 
Rhizopus rot, 576 
Strawberry, cauliflower disease, 210 
cultivation, 576 
" Strawberry Growing," by S, W. 
Fletcher, 535 
Strawberry hybridization, 560 
North American varieties, 576 
weevil, 577 
Streptopus amplexicaulis, cxv 
Stuartia Pseudo-camellia fruiting, cii 
Sugar beet, 247 
attacked by Bibio, 1549 
Sulphur-arsenate of lead, 577 
disinfecting with, 238 
in soils, 247 
Sunflower ' Cactus Star,' cxviii 
' Excelsior,' 247 
hybrid, 247 
Sun-scald, 1558, 577 
