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 



Phaeophycese, 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 

 Polygonaceae, 336 



Polygonum, 336 

 Polyporacese, 286 

 Pome, 110 

 Pomese, 347 

 Pomology, 247 

 Poplar, 331 

 Poppy, 340 

 Populus, 331 

 Pores, water, 79 

 Potassium, 201 

 Potato, 375 

 Potentillese, 351 

 Precipitation, 184 

 Privet, 372 

 Procambium, 46 

 Products, protoplasmic, 133 



non-protoplasmic, 133 

 Prosenchyma, 24 

 Proteins, 17, 139 

 Prothallus, 297 

 Protococcales, 264, 266 

 Protoderm, 46 

 Protonema, 293 

 Protoplasm, 12, 18, 129 

 Prunea, 349 

 Prunus, 349 



Pteridqphytes, 7, 258, 289, 297 

 Puccinia gramims, 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 

 Rhodophyceae, 260, 270 

 Rhubarb, 336 

 Rhus, 362 



