INDEX 



281 



Phytoptus galiobus, 235 

 ,, goniothorax, 207 

 „ macrochelus, 215 

 ,, myriadeum, 215 

 ,, padi, 198 



pjrn, 204 

 ifbis, I 



9S 

 sanguisorbae, 202 

 „ similis, 197 

 „ taxi, 132 

 ,, tetratrichus, 217 

 ,, tiliarius, 217 

 „ viburni, 237 

 Picea excelsa, 133 



„ onentalis, 84, 134 

 Pimpinella Saxifraga, 222 

 Pine, Scotch, 51, S4. "7. '32. '33 

 " Pineapple" galls, 81 

 Pinks, 103 



Pinus sylvestris, 54, 132 

 Flaataginaceae, 233, 234 

 Plantago lanceolata, 54, 233 

 „ major, 233 

 ,, maritima, ?34 

 „ media, 233 

 Plantain, Greater, 233 



Hoary, 49, 233 

 Ribwort, 49, 54. 233 

 ,, Seaside, 49, 234 

 Plasmodiophora alni, 158 



,, brassicae, 12, 121, 



188, 191, 192, 



194 



Platyptilia isodaciyla, 55, 246 



Pleurotus ostreatus, 61 



Pliny the Elder, i, 78 



Plowright, br., 7 



Poa annua, 137 

 „ nemoralis, 138 

 ,, pratensis, 138 



Pocket galls, 49 



Pocket plums, 122 



Folygonaceae, 179-182 



Polygonum amphibium, 180 

 „ aviculare, 54, 180 



„ bistorta, 180 



„ Convolvulus, 179 



„ Hydropiper, 180 



„ lapathifolium, 180 



„ Fersicaria, 180 



Polyporus, 61 



" Polythalamous " (definition of), 25 



Pontania Bridgmanii, 148 



Pontaniafemoralis, 21, 145, 150, 151 



„ leucosticta, 21, 142 



,, pedunculi, 21, 22, 64, 147, 

 ISO 



,, proxima, 21, 22, 142, 143, 

 148, ISO, 152 

 salicis, 21-23, 145, 146 



,, scotaspis, 21 



,, vacciniella, 23, 224 



,, vesicator, 21, 145, 146, 151 



,, viminalis, 21, 145, 146 

 Poplar, Black, 54, S5, I54. IS5 



„ Grey, S5, 1 52 



„ White, 55, 152 

 Poppy, Common, 28, 103, 187 



,, Smooth-headed, 28, 187 

 Populus alba, 55, 152 



„ canescens, 55, 152 



,, fastigiata, 87 



„ nigra, 54, SJ, 87, 154, 155 



„ ti-emula, 54, 153, 154 

 Potatoes, "black- scab'' of, 122 

 Poterium Sanguisorba, 202 

 Potter, Professor M. C, 122 

 Preserving and collecting galls, 



notes on, 14, 15 

 Privet, Common, 226 

 Protomyces chrysosplenii, 195 



,, macrosporus, 120, 222, 



223 

 „ menyanthis, 226 



„ microsporus, 186 

 ,, pachydermus, 250 

 Prunus Cerasus, 198 



„ domestica, 12 



„ insititia, 197 



„ Padus, 198 



„ spinosa, 196 

 Pseudo-galls, 52 



Pseudohormomyia granifex, 139 

 Psylla buxi, 88, 215 



„ crataegi, 207 



„ pyrisuga, 205 

 Psyllidae, 77, 87, 88 

 Psyllioides napi, 188, 189 

 Psyllopsis fraxini, 88, 225, 226 

 Pteris aquilina, 130 

 Pterophorus microdactylus, 54, 241 

 Fuccinia adoxae, 237 



„ aegopodii, 222 



„ apii, 221 



,, calthae, 186 



„ caricis, 119, 179 



