Petiole, 256, 260 

 Peucedanum, 261 

 Peziza, 548 

 Phaeophyceae, 560 

 Phallus, 61 



Phanerogamic fruit, 473 

 Phanerogams, 166 

 Phascaceae, 516 

 Pheasant's eye, 394 

 Phloem, 88, 209, 501 

 Phlox, 344 



Phoenix dactilifera, 135 

 Phosphorus, 57 

 Photosynthesis, 130 

 Phragmites, 288 

 Phrynium, 480 

 Phyco-erythrin, 146, 556 

 Phycomyceteae, 549 

 Phyllanthus, 222, 228 

 Phyllocactus, 47 

 Phyllocladus, 224 

 Phyllode, 280 

 Phylloglossum, 502 

 Phyllonoma, 250, 274 . 

 Phyllotaxy, 252 

 Physalis, 337, 341, 396 

 Physianthus, 432 

 Phytelephas, 170 

 Phytopthora, 532, 550 

 Picea, 309 

 Pickerel Weed, 281 

 Pilea, 460 

 Pileus, 542 

 Pillwort, 210, 213, 509, 510, 



513 



Pilularia, 210, 213, 502, 509 

 Pimpernel, 270, 274, 478 

 Pine, vi, 58, 68, 69, 85, 186, 



200, 496, 499 

 Pineapple, 474 

 Pine, Red, 66 

 Pine-shoot Twist, 552 

 Pinguicula, 102-105, 108 

 Pink, 25, 317 

 Pinnae, 256, 280 

 Pinnate leaf, 254, 256, 258, 



280 



Pinnatifid leaf, 269 

 Pinnatisect leaf, 269 

 Pinnules, 249 

 Pinus, 58, 66, 68, 69, 85, 



309, 449, 450, 451, 454, 



496, 499 

 Piperacese, 468 

 Pistil, 321, 355 

 Pistillate flowers, 369 

 Pisum, 214, 402 

 Pitcher-plants, 6, 7, 107-120 

 Pitted cells, 32 

 Plagiochila, 524, 529 

 Plane-tree, 250 

 Planogametes, 562 

 Plantago, 354, 381, 457 

 Plantain, 354, 381, 457 

 Plant marriages, 422 

 Plasmodium, 569 



INDEX 



Platanus, 250 

 Platycerium grande, viii 

 Plicate vernation, 250 

 Plum, 250, 487, 488 

 Plumbago, 360, 364 

 Plume-thistle, 264, 265, 299 

 Plumule, 166, 168 

 Pod, 478 



Podocarpus, 32, 88 

 Poinsettia, 314 

 Pokutukama-tree, 232 

 Pollen, 321, 400, 420, 454 

 Pollinium, 433 

 Polyadelphous stamens, 332 

 Polycotyledons, 173 

 Polygala, 354 

 Polygamous flowers, 370 

 Polygonatum, 210, 212, 215 

 Polygonum, 66 

 Polypetalous corolla, 330 

 Polypodiacse, 505 

 Polyporess, 544 

 Polyporus, 197, 538, 544 

 Polyrhiza, 189 

 Polysepalous calyx, 330 

 Polysiphonia, 553, 560 

 Polystelic roots, 178 

 Polystictus, 544 

 Polytrichum, 168, 520, 523, 



524 



Pome, 473 

 Pond-weed, 461 

 Pontederia, 281 

 Poor Man's Weather-glass, 



270 



Poplar, 222, 300, 496, 498 

 Poppy, 52, 58, 91, 169, 170, 



269, 337, 406, 474 

 Poppy-oil, 58 

 Populus, 64, 66, 222, 300, 



496, 498 



Porous capsules, 474 

 Porphyra, 558 



Portuguese Sundew, 101, 105 

 Potamogetons, 281, 461 

 Potash, 60 

 Potato, 44, 45, 212, 302, 



329 



Potato-blight, 532, 550 

 Potentilla, 254, 265, 268 

 Prefloration, 329 

 Prefoliation, 250 

 Prickles, 300 

 Prickly Pear, 37, 300 

 Primary root, 166 

 Primrose, 127, 314, 338, 341, 



386 

 Primula, 84, 127, 250, 307, 



308, 313, 314, 338, 376, 



385, 389 



Privet, 264, 26_9, 270, 327 

 Proembryo, 556 

 Prosenchyma, 81 

 Proteaceae, 478 

 Proteids, 57 

 Proteolytic enzymes, 133 



585 



Protandrous flowers, 382 

 Proteus-animalcule, 1 7 

 Protogynous flowers, 382 

 Prothallium, 505, 510 

 Prothallus, 165, 169 

 Protococcoidese, 561 

 Protoneme, 164, 522, 558 

 Protophytes, 22, 166 

 Protoplasm, 9, 10, 17, 24, 9? 

 Protoplast, 24 

 Protoxylem, 89 

 Prunus, 224, 229 250 257 



300, 313, 416, 487 

 Psamma, 184, 185, 186, 188,. 



292 



Pseudocarps, 473 

 Pseudopodia, 569 

 Pseudo-syncarp, 474 

 Psilotum, 501 

 Pteridophyta, 504 

 Pteris, 504 

 Pternandra, 337, 338 

 Ptilotas, 567 

 Puccinia, 550 

 Puff-balls, 535, 546 

 Pulvinus, 298 

 Purple Loosestrife, 363 377 



378, 386 



Pyrenomyceteae, 548 

 Pyrus, 264, 336, 337 

 Pyxis, 477 



Quadrate, 261 



Quercus, 23, 59, 66, 240- 



244, 257, 260, 309-311, 



452, 489, 495 

 Quillwort, 504, 518, 520 

 Quinate, 261 

 Quiscalis, 496 



Raceme, 318 



Rachis, 256, 314 



Radical leaf, 272 



Radicle, 173 



Rcestelia, 550 



Rafflesia, 154, 156, 313, 400 



Ragwort, 258, 261 



Ramalina, 531 



Rampion, 342, 347 



Rangoon Creeper, 496, 497 



Ranunculus, 179, 181, 182, 

 262, 268, 281, 317, 337, 

 340, 368, 378, 409, 490 



Raoulias, 5, 6 



Rape, 58 



Rape-oil, 58 



Raphides, 61 



Raspberry, 44, 48, 214 



Rata, 232 



Ravenna-grass, 209, 210 



Rayed floret, 352 



Receptacle, 321, 350 



Red Algae, 393 



Red Rot, 69 



Red Seaweeds, 449 



