390 



INDEX 



Parsnip, 370 



Parthenogenesis, 101 



Pastinaca, 370 



Pathology, 4, 250 



Pea, 351 



Peach, 349 



Peanut, 354 



Pear 347 



Pediastrum, 266, 267 



Penicillium, 279, 280 



Pepper, 377 



Perennial, 6 



Perianth, 83 



Pericycle, 48 



Periderm, 52 



Perisperm, 98, 295 



Petal, 83 



Peucedanum, 370 



Peziza, 279, 280 



Phaeophyceffi, 260, 270 



Pharmacology, 4 



Phaseolus, 353 



Pheloderm, 52 



Phleum, 324 



Phloem, 45 



Phosphorus, 201 



Photosynthesis, 56, 73, 150, 195, 222 



Phycomycetes, 260, 273, 275 



Physiology, 3, 149 



Phytophthora, 277 



Picea, 309 



Pie plant, 336 



Pigment, 138 



Pimpinella, 370 



Finales, 304, .306 



Pineapple, 325 



Pinus, 309 



Pistil, 83 



Pisum, 352 



Placenta, 17, 129 



Plant geography, 190 



succession, 190 

 Plasmolysis, 165 

 Plasmopara, 275, 277 

 Plastids, 17, 129 

 Pleurococcus, 266 

 Plum, 349 

 Poa partensis, 324 

 Polars, 97 

 Pollen, 84, 94 

 Pollination, 93, 100 

 Polyembryony, 101 

 Polygonacese, 336 



Polygonum, 336 



Polyporacese, 286 



Pome, 110 



Pomeae, 347 



Pomology, 247 



Poplar, 331 



Poppy, 340 



Populus, 331 



Pores, water, 79 



Potassium, 201 



PotatOj 375 



Potentilleae, 351 



Precipitation, 184 



Privet, 372 



Procambium, 46 



Products, protoplasmic, 133 



non-protoplasmic, 133 

 Prosenchyma, 24 

 Proteins, 17, 139 

 ProthaUus, 297 

 Protococcales, 264, 266 

 Protoderm, 46 

 Protonema, 293 

 Protoplasm, 12, 18, 129 

 Prunea, 349 

 Prunus, 349 



Pteridophytes, 7, 258, 289, 297 

 Puccinia graminis, 284 

 Pyrus, 348 

 Pyxis, 113 



Q 



Quercus, 332 

 Quince, 347 



R 

 Raceme, 90 

 Radish, 344 

 Ranunculus, 338 

 Raphanus, 344 

 Raphe, 96 

 Raspberry, 350 

 Rays, medullary, 49, 51 

 Receptacle, 83 

 Reduction division, 131 

 Reproduction, 56, 92, 101, 105, 150 

 Resin, 17, 141, 142 

 Respiration, 221, 222, 223, 226 

 Rheum, 336 

 Rhizoids, 290 

 Rhizopus, 277 

 Rhodophycese, 260, 270 

 Rhubarb, 336 

 Rhus, 362 



