INDEX< 



cclvii 



Pe-Tsai, see Brassica chinensis 

 Petrophila diversifolia, precocious 



flowering, 176 

 Petroselinum segetum leaf -spot, 478 

 Petunia pollen, 625 



' Purple King,' A.M., cxli 

 Peziza Wilkommii, 212 

 Phacelia, 163 



Phaius Sanderianus, Ixxvii 

 Phaiaenopsis x ' Aphrodite,' Ixxii 

 X ' Ariadne,' A.M., Ixxii 



Stuartiana, Ixxii 

 Phaseolus, 162 



lunatus, 139 



vulgaris, 308, 349 

 Philocarpus, 162 



Phlegethontius quinquimaculata, 358 



sexta, 358 

 Phleum arenarium, 318 

 Phlomis, 349 

 Phlox pollen, 625 

 Phoenicococcus Marlottii, 150 

 Phoenix dactylifera, 348 

 Phoma mali, 303 



oleracea, 193 



piceana, 620 



sp. attacking Piceas, 620 

 Phomopsis citri, 333 



mali, 302, 303 

 Phosphatic manures, 339 

 Phryma leptostachya, 170 

 Phthorimoea operculella, 342 

 Phyllocactus anguliger, 171 



X Coopermannii, cxxxv 



hybrids, 170 

 Phyllosticta Brassicae, 76 



brassicicola, 76 



caryae, 338 



limitata, 302 



violae, 194 

 Phyllotreta consobrina, 269 



undulata, 269 

 Phylloxera, grafting resistant stocks, 



632 

 Physalis, 349 



Physalospora cydoniae, 632 

 Phyteuma orbiculare, 369 

 Phytophthora infestans, 174, 193, 

 343 



Picea Abies, diseases of, 620 

 alba, 643 

 alaskiana, 643 

 Alcockiana, 643 

 canadensis, 171 

 Engelmanni, 2, 643 

 excelsa, 173, 612, 643 

 gigantea, 643 

 Glehnii, 643 

 hondoensis, 643 

 Kosteriana, 643 

 Mariana, layering of, 171 

 monstrosa, 643 

 Morinda, 643 

 nigra, 643 

 Omorica, 643 

 orientalis, 643 

 polita, 643 

 pungens, 643 



in wild garden, 365 



Picea rubens, diseases, 620 

 rubra, 643 



sitchensis, 612, 640, 643 

 Pigmentation in plants, 171 

 Pileostegia viburnoides, A.M., cxciii, 

 cxciv 



Pimelea microcephala, cxxix 

 Pineapple, effect of manganese on, 

 333 



Pine blister, 172 



rust, see Peridermium 

 Strobi 



Jack, see Pinus Banksiana 

 Lodge pole, see Pinus contorta 



var. Murrayana 

 pitch, 6 



Scots, see Pinus sylvestris 

 white, see Pinus Strobus 

 Pinguicula, 350 



Reuteriana, A.M., cxxix 

 Pinus austriaca, 612, 640 



as wind break, 366 



rust, 632 

 Banksiana, 2, 171, 633 

 canariensis, precocious flower- 

 ing, 176 

 contorta Murrayana, 2 



rust, 632 

 echinata, rust, 632 

 flexilis, 3 

 Lambertiana, 4 

 maritima, rust, 632 

 montana, rust, 632 

 ponderosa, 4 



rust, 632 

 pungens, rust, 632 

 radiata, proliferation, 339 

 rigida, 6 



rust, 632 

 sp. devoured by cattle, 173 

 spur shoot, 632 

 Strobus, I, 3, 5, 172, 643 



leaf cast, 358 



rots, 358 



rust, 317 

 sylvestris, 2, 180, 318,348,612, 

 643 



rust, 632 



Taeda, 5 



rust, 632 



Thunbergii malformed, clxxvi 



virginiana, diseases of, 6ig 

 rust, 632 

 Piper nigrum, 348 

 Pistachio nuts, their origin, 217 

 Pistacia, 349 



chinensis, 217 



Lentiscus, 217 



Terebinthus, 217 



used as food, 217 



vera, 217 

 Pisum, 349 



nitrates in, 163 



roots, 644 

 Pithecolobium, 162 - 



cynanchoides, 339 

 Pittosporum Mayi, cxxx 



' Silver Queen,' A.M., cxxx 

 Plagianthus betulinus, cxxviii 



