8i4 



INDEX. 



Pine, prince's, 644 



seeds, 117 



spruce, 112 



sugar, 117 



swamp, 113 



torch, 112 



Weymouth, 106 



white, 106 



yellow, 113 

 Pineapple, 436, 480 



ferment in, 244 

 Piney resin, 621 

 Pinguicula, ferment in, 244 

 Pink, 443, 531 



Carolina, 661 



cultivated, 531 



lady's slipper, 498 



root, 459 

 Pinkster flower, 646 

 Pinnately-compound, 356 

 Pmus, 455 



Strobus, 106 



sylvestris, 213 



tannin in, 206 

 Piper, 426, 455. 504. 506 

 (see also Pepper) 



methysticum, 177 



species of, 504 

 Piperaceae, 504 

 Piperales, 504 

 Piperine, 161 



crystals, 771 

 Piperitus-a-uin, 455 

 Pipitzahoic acid, 723 

 Pipsissewa, 455. 644 

 Pircunia, 528 

 Pirolaceae, 644 

 Piscidia, 575 

 Piscipula, 455 

 Pistachio, 455, 599 

 Pistacia, 208, 455, 597 

 Pistil, 120, 376 



compound, 376 



different types of, 377 



simple, 376 

 Pistillate, 392 

 Pisum, 576 



ferment in, 244 



germination of, 299 

 Pitch, Burgundy, 119 



Canada, 119 

 Pitcher-plant, 361, 458, 555 



family, 554 

 Pith, sassafras, 263 

 Pithecolobium, 57s 

 Pityrodia, hairs in, 282 

 Placenta, 377 



structure of, 408 

 Plaited, 389 

 Planchonia, 629 

 Plane tree family, 559 

 Planifolius-a-um, 455 

 Plant hairs, 353 



henna, 450 

 Plantaginacese, 696 



Plantago, 455. 694. 696 



ferment in, 244 

 Plantain, 455, 694 



common, 694 



family, 696 



flowers, 400 

 Plastids, 2, 138 

 Platanaceae, 559 

 Platanus, 559 

 Plates, sieve, 276 

 Platinic chloride, 165 

 Platonia, 620 

 Pleistocene clays, 117 

 Plerome, 253 

 Pleurisy-root, 667, 668 

 Pleurococcus, 20 

 Pleurosigma, 36 

 Plicate, 364, 389 

 Plum, 456 



French. 562 



grape, 606 



oil in, 213 



protein in, 200 



sugar in, 156 

 Plumule, 127, 426 

 Pod, 420 

 Podophyllum, 455. 538 



rhizome of, 324 

 Podostemaceae, 556 

 Podostemon, 455, 556, 679 

 Point of origin of growth, 

 144, 300 



of vegetation, 300 

 Poison, arrow, 575, 593. 597. 

 633, 662 



curare, 539 



fish, 539. 575. 604, 606 



ivy, 595. 596 



oak, 595 



snake, antidotes, 539 

 Poke weed, 455 

 Polariscope, micro, 764 

 Polemoniacese, 670 

 Polemoniales, 668 

 Polemonium, 455, 670, 676 



family, 670 

 Pollantin, 726 



Pollen, 120, 122, 298, 375, 

 404, 726 



composition of, 726 



method of gathering, 722 



pine, 107 



sac, 298 



toxic, 726 



tube. III 



weight of, 726 

 Pollination, iii, 125, 397 

 PoUinia, 123 

 Polygala, 172, 455. 589 

 Polygalaceae, 589 

 Polygamous, 392 

 Polygamus-a-um, 456 

 Polygonaceae, 520, 574 

 Polygonales, 520 

 Polygonatum, 456, 483 



Polygonatum, rhizome of, 



325 

 Polygonum, 456, 525, 527 

 Polymnia, 720 

 Polynesia, 631 

 Polypeptides, 199 

 Polypodium, 456 

 Polypody, 456 

 Polyporaceae, 59 

 Polyporus, 456 



resins in, 237 

 Polytrichum, 77, 78, 85 

 Pome, 420 



Pomegranate, 447, 457, 629 

 Pomelos, 584 

 Pometia, 603 

 Pond lily, yellow, 531 

 Pond-weed family, 466 

 Pontederia, 482 

 Pontederiaceae, 480 

 Poplar, 456, 508 

 Popowia, 542 

 Poppy, 454. 548, 549 



California, 547 



celandine, 550 « 



family, 546 



horned, 446 



Mexican, 547 



oil, 547 

 in, 213 



opium, 546, 547 



prickly, 436 



yellow, 550 

 Populin, 169. 170, 508 

 Populus, 456, 508 



species, 508 

 Pores, bordered, 275 



sieve, 276 



simple, 263 



water, 279 

 Port wine, 607 



coloring of, 529 

 Portulaca, 551 

 Portulacaceae, 531 

 Potassium hydrate, crystals, 

 762 



iodide, crystals, 762 

 Potato, 688 



Chinese, 492 



family, 683 



phyto-globulins in, 194 



plant, 688 



protein in, 199 



starch, 142, 148 

 in, 148 



manufacture of, 148 

 with polariscope, 146 



substitute, 726 

 Potentilla, 365. 456, 565 

 Potometer, 351 

 Pouzolzia, 517 

 Pratensis-e, 456 

 Precatorius-a-um, 456 

 Prefloration, 389 

 Prefoliation, 364 



