CCXXXvi PROCEEDINGS OF THE ROYAL HORTICULTURAL SOCIETY. 
Oleander, 523 
Olearia semidentata, A.M., clxiii 
Oncidioda x Charlesworthii, cxxv, 
clxxxvii 
x Cooksoniae, leaf -spot, 16, 18 
Oncidium Cebolleta, lxv 
incurvum, clxxxvii 
Kramerianum, leaf -spot, 17 
omithorhynchum, leaf -spot, 17 
spot, 17, 18 
Onosma sp. in Tibet, 86 
Oospora scabies, 202 
Ootetrastichus beatus, 189 
Ophiopogon kansuensis, 87 
sp. in Kansu, 87 
Orach mildew, 200 
Orchard cultivation, 199 
spraying, 500 
Orchid cultivation, 7 
mycorhiza, 498 
Orchis sp. in Yunnan, 44 
Orcus chalybaeus, 188 
Oreocharis Henryana, 87 
Origanum hirtum, 490 
Onites, 490 
vulgare album, cxxxii 
megastachyum, cxxxii 
viride, cxxxii 
Orris, 191, 490 
Osage orange, see Maclura aurantiaca 
Osteomeles anthyllidifolia, 87 
sp. in Kansu, 87 
Ostryopsis nobilis, 45 
Othonnopsis cheirifolia, 277 
" Our Food Supply, Peril and 
Remedies," by C. Tumor, reviewed, 
458 
Oxalis lobata, A.M., clxxiii 
Oxygraphis sp. in Yunnan, 44 
Oxytropis pyrenaica, 340 
sp. in Kansu, 339 
Oyster-shell scale, 190 
Pachysandra procumbens, 88 
sp. in Tibet, 88 
Paeonia Beresowskyi, 88 
Moutan, 88 
officinalis ' Smyrna,' cxxvi 
Veitchii, 73 
Whittallii, cxxvii 
Willmottiae, 501, cxxiv 
Paeony ' Ceres,' A.M., clviii 
Paint-destroying fungus, xlv 
Palm, bud-rot, 13 
Panax quinquefolium, 142, 191, 200, 
490, 512 
diseases, 493 
Pandanus furcatus, 501 
Papaver nudicaule, 340 
carpellody in, cxxix 
orientale, carpellody in, cxxxvii 
' King George,' A.M., 
clviii 
somniferum alkaloids, 475 
Papaw, changing sex, 484 
Para-dichlorobenzene as afumigant, 194 
Paranagrus optabilis, 189 
perforator, 189 
" Parks and Park Engineering," by 
W. T. Lyle, reviewed, 461 
Parnassia palustris, 277 
sp. in Yunnan, 44 
Paris quadrifolia, 88 
sp. in Tibet, 88 
Parrya Forrestii, 44 
Parsley, 191 
disease, 501 
Parthenocissus Henryana, 37 
Thomsonii, 37 
Passiflora failing to flower, cxli 
Path-planting, 272 
Paulownia tomentosa lanata, 36 
Payne, C. H., on the introduction 
of the Dahlia, 305 
Pea ' Alderman,' cxlvii 
aphis, 199 
Best of All,' cxlv, cxlvii 
Buttercup,' cxlv 
Centenary,' cxlvi 
Clipper,' A.M., cxlv 
Commonwealth,' cxlvii 
Continuity,' cxlvii 
Daisy,' cxlv 
Danby Stratagem,' cxlvi 
Discovery,' cxlvii 
Duke of Albany, Reselected,' 
cxlvi 
Duke of Albany, Selected,' 
cxlvi 
Evergreen Delicatesse,' cxlvi 
Favourite,' cxlvi 
Glory of Devon,' cxlvii 
Gradus,' cxlv 
Harvestman,' cxlvi 
Improved Queen,' A.M., cxlv 
Incomparable,' cxlvii 
International,' cxlvi 
Jersey Hero,' A.M., cxlv 
King George,' cxlvi 
Magnificent,' cxlvii 
Magnum Bonum,' cxlvi 
Market Gardener,' A.M., cxlv 
Market King,' A.M., cxlv 
Masterpiece,' cxlvii 
Matchless,' cxlvii 
Model Telephone,' cxlvi 
Ne Plus Ultra,' cxlvii 
Paragon,' cxlvi 
Peerless,' cxlvi 
Perpetual,' A.M., cxlvii 
Prince of Peas,' cxlvi 
Prize- Winner,' cxlvii 
Quite Content,' A.M., cxlv 
Red Cross,' cxlvi 
Reliance Marrowfat,' cxlvi 
roots, 512 
Royal Salute,' A.M., cxlv 
Satisfaction,' cxlvii 
Sharpe's Standard,' cxlvi 
Stratagem,' cxlvi 
The Newby,' A.M., cxlv 
The V.C.,' cxlvii 
The Victor,' cxlvii 
Up to Date,' cxlvii 
William Richardson,' cxlvii 
Peach ' Amsden,' 21 
blight, 187 
