INDEX. 



831 



Podophyllum, powder, 

 772 



rhizome, 104 



species, 508 

 Podostemaceae, 285 

 Podostemon, 285 

 Pogostemon, 371 

 Poinsettia, 132 

 Point of growth, 93 



vegetation, 93, 197 

 Poisons, testing, 5 

 Poisonous plants to 

 cattle, 299 



horses, 268 



sheep, 264 

 Poke, 265 



berries, 267 



root, 265 

 Polemoniales, 365 

 PoUantin, 402 

 Pollen grains, 85 

 structure, 213 



sacs, 83, 126 

 Pollination, 139 



cross-, 141 



self-, 140 

 Pollinia, 85 

 Pollinium, 128 

 Polyadenia, 574 

 Polygala species, 



313. 472 

 Polygalacese, 313 

 Polygamous, 136 

 Polygonaceas, 262 

 Polygonales, 262 

 Polygonum flower, 141 



species, 264, 477 

 Polymnia, 399 

 Polypodium, 62, 64, 474 



spores, 63 

 Polyporus, 34 

 Polysiphonia, 13 

 Polytrichura, 46, 55 

 Pome, rso, 288 

 Pomegranate family, 



345 



bark, 534 



powder, 725 

 Pomelos, 307 

 Pometia, 324 

 Pop corns, 229 

 Poplar, 250 



balsam, 250 

 Popowia, 2yy 



stamens, 127 

 Poppy, California, 280 



capsules, 148 



Poppy, celandine, 282 



family, 280 



Mexican, 280 



opium, 280 



yellow, 282 

 Populus, 250 

 Pore, bordered, 

 187, 191 



fungi, 31 



simple, 184 



stoma, 193 

 Pores in fibers, 188 



kinds, 184 



water-, 193 

 Porteranthus, 471 

 Portulaca, 26 

 Portulacacese, 267 

 Potassium, 4 



nitrate, 402 

 Potato, 375 



Chinese, 240 



family, 372 



sweet, 366 



white, 105 

 Potentilla, 



120, 292, 647 

 Pouzolzia, 258 

 Powders, 



adulterants, 695 



examination, 6g6 



greenish, 714 



key, 702 



reagents, 696 



reddish, 782 



yellowish, 732 



whitish, 785 

 Prefloration, 132 

 Prefoliation,- 121 

 Preservatives, 798 

 Prickly ash bark, 533 



powder, 776 

 Pride of China, 312 

 Primrose, evening, 



349 

 Prince's feather, 264 

 Principes, 231 

 Prisms, monoclinic, 



171 

 Privet, 361 

 Promycelium, 35, 38 

 Propagation, 404 

 Propenylanisol, 362 

 Prosopis, 644 

 Protea, 238 

 Proteacin, 258 

 Proteales, 258 

 Protecting cells, 192 



Protective cellulose 



walls, 183 

 Proteids (proteins), 



158 

 Protein grains, 173 

 Proteolytic ferments, 



179 

 Prothalliis, 46 

 Protium, 310, 311 

 Protocatechuic alde- 

 hyde, methyl, 587 

 Protonema, 46, 49 

 in Hepaticae, 51 

 Protopine, 28^-, 281, 



282, 508, 560 

 Protoplasm, 2, 156 

 Protoplasmic cell- 

 contents, 156 

 Protoplast, 2, 156 

 Protoveratridine, 404 

 Protoveratrine, 493 

 Prune, 576 

 Prunum, 576 

 Prunus, 288, 290, 590 

 Amygdalus, 287 

 domestica, 287 

 serotina, 287 

 species, 537, 539 

 virginiana, 287, 537 

 powder, 759 

 Pseudaconitine, 480 

 Pseudo-segle group, 



306 

 Pseudo-coccus, 343 

 Pseudoconydrine, 567. 

 Pseudoemodin, 522 

 Pseudofrangulin, 522 

 Pseudohyoscyamine, 



620 

 Pseudo-inulin, 167, 402 

 Pseudojervine, 494 

 Pseudomonas, 99 

 Pseudomorphine, 659 

 Pseudopelletierine, 536 

 Pseudopodium, 55 

 Pseudo-strophanthin, 



432 

 Psidium, 347, 656 

 Psoralea, 298 

 Psychotrine, 469 

 Ptelea, 308 

 Pteridophytes, 55 

 Pteris, 58, 59, 64 

 Pterocarpus, 647 

 Marsupium, 294 

 santalinus, 295 

 species, 547 



