CCCiv PROCEEDINGS OF THE ROYAL HORTICULTURAL SOCIETY. 



Oenanthe, strengthening system of, 



O'Kane, W. C, " Injurious Insects : 

 How to recognize and control them," 

 251 



Oleander poisonous, 788 



Olearia chathamica, B.C., cxxxiv, cxl 



propagation, 305 



viscidula, 491 

 Oleoresins in pines, 789 

 Olive, 587 



knot disease, its spread, 482 

 Oliver, F. W., " Makers of British 



Botany," 254 

 Omphalodes cappodocica, lix 



cornifolia, A.M., Ivii, lix 

 Omphalogramma Delavayi, 132 



Souliei, 133 

 Oncidioda x ' Bella,' A.M., clviii 



x Cooksoniae, A.M.,B.C.,xxxix, 

 lxix 



illustris, A.M., clvi 

 Raili's var., A.M., lxxii 

 Oncidium corynephorum splendens, 

 ccliii 

 crispum, 789 

 incurvum, 524 

 x McBeanianum, A.M., clvi 

 macranthum, xxxix, lxix 

 pulchellum, 482 

 varicosum,Westonbirt var., A.M., 

 cclv 



Onion couch, 296 

 Onions, insect pests, 789 



on peat soils, 488 

 Onopordon acanthium, 27 

 Oospora scabies, 793 

 Opuntia Ficus indica, 493 



grafts, 287 

 Orange knot disease, 466 



scab, 467 



sooty mould, 482 



' Thomson,' 789 



treatment of infertile, 789 

 Orchard heating, 297 



management, 297 

 Orchards, lime in, 478 

 Orchestes fagi, 475 

 Orchid Committee, lxvi, cliv, cclii 



embryosac, 297 



hybrids raised at Schonbrunn, 



483 

 wild, cxv 

 pots, 789 



seedlings from same pod, 

 variation in, xliii 

 Orchids in Bulgaria, 3 

 Orchis latifolia, 6 



sambucina, 6 



Simia, 6 

 Origin of life, 39 

 Ormthidium Sophronitis, clxiii 

 Osbeckia stellata, 483 

 Oscaria chinensis, 137, 139 

 Osmanthus Delavayi, 484 

 Osyris alba, 311 

 Oxalis crcnata, edible, 790 

 Oxycoccos, 285, 298 

 Oxyris seeds, 501 



Pachira macrocarpa, 297 

 Pachymerus chinensis, 773 



quadrimaculatus, 773 

 Paeonia ' L'Esperance,' A.M., cxxxvi 



lutea, cxxx, cxxxvi 



Moutan, cxxxvi 



' Princess Elizabeth,' cxxx 

 Paeonies grown in wire baskets, 504 

 Paeony ' Gismonda,' A.M., cxl 



' La Lorraine,' F.C.C., cxxx 



' L'Esperance,' A.M., cxxxvii 

 Palms, their growth in thickness, 484 

 Panicum notabile, 783 

 Pansies, cultivation for profit, 485 

 Papaver orientale ' Perry's Unique,' 

 A.M., cxxxvii 



Rhoeas, white, ccxx 

 Papaya, breeding of, 485 

 Paphinia cristata, A.M., clxi 

 Pappophorum cenchroides, 783 

 Parasitic insects, 765, 790 

 Passiflora edulis, 334 



foetida, cxv, 470 

 Passion Fruit, 334 



Paulownia tomentosa lanata, A.M., 

 ccxliii 



Pea ' Favourite,' A.M., cxxv, cxxvi 



Hurst's No. 3879, A.M., cxxiv 

 * King of the Dwarfs,' A.M., 

 cxxiv 



' Masterpiece/ A.M., cxxv, 



cxxvi 

 moth, 790 



4 Sir Arthur Bignold/ A.M., 



cxxv, cxxvi 

 ' Superb,' A.M., cxxiv 

 ' Warriston Wonder,' A.M., cxxv 

 cxxvi 



Peas, Ascochyta pisi on, 291 



selected from trial, cxxiv, cxxv, 

 cxxvi 



Peabody, J. E., and Hunt, A. E., 

 " Elementary Biology : Plant, Ani- 

 mal, Human," 245 

 Peach attacked by Lygus, 486 



' Admiral Dewey,' 790 



aphis, 485 



diseases, 485, 486 



' Laxton's Advance,' cxxiv 



moth, 486 



' Russell,' 790 



stop-back, 486 

 Peanut butter, 486 

 Pear ' Anjou,' 487 



' Ayer,' 790 



' Bailey's Bergamot,' 491 



bitter pit in, xxxix 



' Calabasse Carafon,' 298 



' Conference,' ccxxiv 



' Douglas,' 790 



' Doyenne Boussoch,' cxviii 



' Durondeau,' ccxxiv 



experiments, 791 



' Flemish Beauty,' 487 



foliage, 294 



' Hacon's Incomparable,' ccxxiv 

 ' Howell,' 491 

 1 Keiffer,' 491 

 lithiasis in, cxviii 



