INDEX. 



clxiii 



Odontoglossum x ' Marathon,' xlv 

 X ' Mars,' xlvii, xlviii, cxviii 

 X ' Miguelito,' A.M., cxix 

 mirificum, xlvii 

 X Ossulstonii, xliv, xlvii 

 X ' Othello,' cxx 

 X ' Pallas,' xlvii 

 X ' Peerless ' auriferum, Ross- 



lyn var., A.M., xlvii 

 percultum, cxviii 



' Olympia,' xlvii 

 Pescatorei, xlviii, cxviii, cxxi 



album, xliv 

 X * Philomene ' var. ' Maure- 



tiana,' A.M., xlvii 

 praevisum, 149 



X ' President Poincare,' cxviii, 

 cxix 



X ' Princess Patricia,' P.C., 

 xliv 



X ' Pyramus,' A.M., xlvii 

 X ' Queen Alexandra,' cxxi 

 X ' Radiant,' A.M., xlv 



' Marion,' xlix 

 X Rolfeae majesticum, xlvii 

 Rossii, xxxiii, xlvii 

 X ' St. George,' A.M., xlv 

 X ' Solon,' cxxv 

 X ' Stella,' xlix 

 X ' The Tiger,' A.M., xlix 

 X ' Tityus,' P.C., cxix 

 X ' Triumph,' xliv 

 triumphans, xlix, cxix 

 X ' Vardar,' xlvii 

 X ' W. E. Bisset,' A.M., cxviii 



Oenothera rubrinervis, 404 



Okra diseases, 1 54 



Olea cuspidata, ioo, 111 



Olearia chathamica, 253 

 Forsteri, 252 

 macrodonta, 252, 253 

 semidentata, 253 



Onion, ' Cooper's Density,' xxxvii 

 ' Giant Zittau,' xcvii 

 ' Globe Keeper,' xxxvii 

 ' Royal Keeper,' xxxvii 

 thrips, 405 

 white-rot, 404 



Ononis albino, xciv 



Oosaki, see Quercus laevigata 



Opuntia Dillenii, 102, 104, 111 



Orchard irrigation, 405 



Osmunda regalis, 248, 249, 250 



" Our National Forests," by R. H. D. 

 Boerker, reviewed, 136 



Paeonia peregrina, 149 



' Sunbeam,' 149 



Willmottiana, F.C.C., civ 



Woodwardii, cvii 

 Paeonies, 248, 249 



tried at Wisley, 1919, cviii 

 Paeony 1 Lord Cavan,' A.M., cviii 

 Papaver orientale, 120 

 fl. pi., cvi 



with short stamens, xciii 

 Parsley tried at Wisley, 191 9, c 



Parkinso/ria aculeata, no, in 



Parks, P&blic, of Glasgow, 39 



Pea weevil, 405 



Peach aphis, 141 



leaf -curl, 405 



" Peach Growing," by H. P. Gould, 

 reviewed, 376 



Pear canker, 406 



' Conference,' 65 

 ' Doctor Jules Guyot,' 65 

 ' Doyenne du Cornice,' 66 

 ' Fertility,' 65 

 growing, 405 



' Louise Bonne of Jersey,' 

 66 



midge, 69 

 thrips, 419 



' Windsor Wonder,' 65 

 yield, 422 

 Pears for market, 65 



private gardens, 66 

 quince stocks for, 269 

 Pelargonium crispum variegatum, 

 F.C.C., cx 

 hybrids, xciii, xcv 

 ' Miss Annie Bancroft,' cx 

 variation from root cuttings, 

 xxxiii 



' Whiteknights Glory,' A.M., 

 cv 



Pemphigus populi-transversus, 406 

 Peridermium occidentale, 407 

 Periploca graeca, xxxii 

 Perkin, A. G., and Everest, A. E., 

 " The Natural Organic Colouring 

 Matters," 133 

 Permeability of cell walls, 406 

 Peters, C. A., " The Preparation of 

 Substances Important in Agri- 

 culture," 134 

 Petroleum oil, effect on mosquito 



larvae, 148 

 Petunia integrifolia, 149 



violacea, 149 

 Phalsa sp., no 

 Philadelphus ' Bicolore,' 404 

 coronarius, 404 

 ' Coupe d'argent,' 404 

 ' Girandole,' 404 

 grandiflorus, 404 

 hybrids, 404 

 ' Nuage,' 404 

 ' Sylvanie,' 404 

 Phlox, 248 



Phoenix sylvestris, 112 

 Phoenoserphus fuscipes, 422 

 Phoma on potatos, 410 

 Phorbia brassicae, 150 

 Phormium tenax, 248, 253 

 Phorodon galeopsidis, 142, xciii 



humilis, 141 

 Phyllactinia suffulta, 229 

 Phyllocoptes Schlectendali, 401 

 Phyllostachys aurea, 248, 249 



' Boryana,' 249 



Castillonis, 249 



flexuosa, 248, 249 



Henonis, 248, 249 

 Phyllostachys mitis, 249 



t 2 



