Cclviii PROCEEDINGS OF THE ROYAL HORTICULTURAL SOCIETY 



Phylloboea Henryi, 96 

 Phyllocactus sp., 459 

 Phyllodoce Breweri, 613 

 Phyllotaxis, 36 



" Physiography," Ii. D. Salisbury, 537 

 " Physiological Botany," G. L. Goodale, 

 323 



Piaranthus sp., 470 

 Picea morindoides, 613 

 Pickering, S. U., summer pruning, 488 

 Pied Wagtail, 434 

 Pilocereus sp., 459 

 Pineapple culture, 613 

 ,, diseases, 613 

 Pinks, mule, 166 



„ wild, 166, 613 

 Piptanthus nepalensis, 167 

 Pittosporum tenuifolium, 355 

 Plane disease, 167 



" Plant Biology," F. Cavers, D.Sc, 539 

 Plant breeding, fruits, 613 



,, diseases in California, 167 

 " Plant Physiology and Ecology," F. E. 



Clements, 553 

 "Plants of the Bible, The," Rev. G. 



Henslow, 541 

 Plants for terrace gardening, 369 



„ seeds, (fee, presented to the Garden, 

 570 



Plectopoma, cultivated sp., 77, 96 

 Pleurothallis sp., 384, 385, 388, xxiii 

 Plocoglottis Lovvii, B.C., xevi 

 Plover, 435 



Plum anthracnose, clxiii 

 Plums in Georgia, 167 



„ Japanese and hybrid, 168 

 Plumeria, 464 

 Podanthes sp., 470 

 Podophyllum versipelle, 614 

 Poisonous plants, 168 

 Pollen of Phaius hybrids, xxxi 

 Polygala apopetala, 168 



„ Chamaebuxus, 349 

 Polycycnis Charlesworthii, B.C., ccxv 

 Poplar borer, 168 

 Pope's head, 456 

 Portulacaria sp., 465 

 Potato, bacterial rot, 127 



„ culture, 169, 614 



„ diseases, 168, 169, 170 



,, ' Favourite,' F.C.C., ccii, ccviii 



„ ' Longkeeper,' A.M., cciv 



,, spraying, 614 



„ ' The Colleen,' A.M., cci 



,, ' The Provost,' A.M., cciv 

 Potatos tried at Wisley, 299 

 Potentillas at Aldenham, 355 

 " Practical Agricultural Chemistry," 



F. D. S. Robertson, 536 

 " Practical Botany for Beginners," F. 0. 

 Bower and D. T. Gwynne Vaughan, 



316 



" Practical Fruit Culture," J. Whitehead, 

 548 



Preservation of flowers, 144 



„ ,, fruit, 614 



Prickly pear, 461, 614 

 Primula Cockburniana, A.M., li, 170 

 ,, deorum, 614 



Primula hazarica, 170 



,, muscarioides, 615 



,, obconica grandiflora, double, 

 A.M., excix 



„ orbicularis, 615 



„ sinensis, ' The Lady,' xlv 



,, 1 Unique,' A.M., lvi 



„ verticillata sinensis,"171 

 " Principles of Horticulture," W. M. 



Webb, 317 

 Protective adaptations, 159 

 Pruning, summer, 487 

 Primus Besseyi, 615 



,, Mume, 615 



„ sp. at Aldenham, 354, 358 

 triloba, 171 

 Pterocactus Kuntzei, 461 

 Pulque, 463 

 Purshia tridentata, 355 



Quiver tree, 473 



j Ramondia pyrenaica, 96 

 Raspberries and blackberries, 615 

 Raspberry ' The Alexandra,' A.M., cciv 

 var., 171 



I Rare shrubs in the open air, 347 

 Raw manure and tree roots, 562 

 Red-gum sap-rot, 616 

 Redstart, 440 



Relation of flower and fruit colour in 

 apples, xxxvi 

 „ of meteorology to horticulture, 

 12 



Renanthera annamensis, 616 

 Report of Chemist, 514 



„ Council, 1906, iii 

 Research Station at Wisley, opening of, 

 329 



Restrepia sp., 389 

 Rhabdothamnus, cultivated sp., 96 

 Rhamnus sp. at Aldenham, 353 

 Rhaphiolepis japonica, 360 

 Rhipsalis sp., 460 

 Rhododendron ' Delavayi,' 616 



„ ' Duke of Cornwall,' A.M., 



xlvi 



,, intricatum, F.C.C., xlix 



616 



,, ' Kewense,' A.M., xlvii 



Vaseyi, 171 

 Rhodostachys pitcairniifolia, 171 

 Rhynchoglossa zeylandium, 97 

 Rhytidophyllum, cultivated sp., 97 

 Rhus sp. at Aldenham, 356 

 Ribes mogollonicum, 616 



„ sanguinea, double-flowered, xxxvi, 

 xxxviii 



,, sp. at Aldenham, 351 



,, viburnifolium, 171 

 Rice cultivation, 616 

 Ringing of herbaceous plants, 617 

 Rivers, S., summer pruning, 487 

 Robin, 428 

 Rochea sp., 465 



"Rock and Alpine Gardening," H. 



Hemsley, 548 

 " Rock of Ages," 458 

 Roman Hyacinths, 617 



