INDEX. 



8iS 



Preservatives. 755 

 Prickly pear, 626 

 Pride of China, 588 

 Primary root, 301 



cross-section of, 310 



structure, 309 



of dicotyledonous roots, 



345 

 of stem, 338 



summary, 345 

 summary, 317 

 Primeverase, 658 

 Primeverin, 658 

 Primrose, 456 



evening, 453, 634, 635 



family, 656 

 Primula, 456, 656, 657 



structure of flower, 407 

 Primulaceae, 656 

 Primulales, 656 

 Primulaverin, 658 

 Prince's feather, 527 



pine, 644 

 Principes, 473 

 Privet, 450, 661 

 Procumbens, 456 

 Prolamins, 194. I95 

 Promycelium, 66 

 Propagation by cutting, 733 

 Propagative organs, 298 

 Prophylla. 393 

 Protaceae, 51? 

 Protea, species of, 518 

 Proteacin, 517 

 Proteales, 517 

 Protection of plants, 172 

 Proteinase, 244 

 Proteins, 192 



classification of, 193 



origin of, 190 



percentage of, 199 



toxic, 196 

 Protium, 586 

 Protococcus, 20 

 Protonema, 78 

 Protopine. 548, 550 

 Protoplasm, 2, 134 

 Protoplasmic movement, 26 

 Protoplast, 2, 134 

 Prulaurasin, 169 

 Prune, 562 



protein in, 200 



sugar in, 156 

 Prunifolius-a-um, 456 

 Prunum, 456 

 Prunus, 560, 562, 565 



cork of, 294 



ferments in, 243 



section of wood, 346 

 Pruriens, 456 

 Pseudo-^Egle group, 583 

 Pseudococcus, 627 

 Pseudoinulin, 150 

 Pseudomonas, 307 

 Pseudotsuga, 114 



Psidium, 632 

 Psoralea, 456, 574 

 Psyllium, 456 

 Ptelea, 456, 585 

 Pteridophytes, 86 

 Pteris, 456 



Pterocarpus, 456, 569, 571 

 Pterospermum, 615 

 Puber-a-um, 456 

 Pubescens, 456 

 Pubescent, 353 

 Puccinia graminis, 69 

 Puccoon, 450 

 Puffball, 58, 59 

 Pulegioides, 456 

 Pulegone, 234 

 Pulicaria, 456 

 Pulmonaria, 456 

 Pulque, 492 

 Pulsatilla, 456, 537 

 Pulse, 450 



family, 567 

 Pulvinis, 360 

 Pumpkin, 454 



protein in, 200 



sugar in, 156 



vine, 709 

 Punica, 457, 629 

 Punicaceae, 629 

 Purging cassia, 567 

 Purine, 167 

 Purple cone-flower, 724 



gerardia, 693 

 Purpureus-a-um, 457 

 Purshia, 565 

 Purshianus-a-um, 457 

 Purslane, 531 

 Putamen, 410 

 Pyonidia, 73 

 Pycnoconidia, 73 

 Pyrenoids, 17, 149 

 Pyrethri Flores, 718 

 Pyrethron, 718 

 Pyrethrum, 457 

 Pyridine, 166 

 Pyrocatechol, 204 

 Pyrogallol, 204 

 Pyrola, 174 

 Pyrone, 180 

 Pyrrolidine, 166 

 Pyrus, 457. 562, 565 



quercitin, 562 

 Pyxidium, 413 

 Pyxis, 413, 630 



Quassia. 455. 457, 585, 586 



Jamaica, 585 

 Quebracho, 667 



bianco, 457 



Colorado, 599 



extract, tannin in, 206 

 Queen's root, 590 

 Quercitin, 169, 179, 180, 508, 



512, 562, 565 

 Quercitrin, 170 



Quercus, 457, 512 



bork of, 295 



galls on. 335 

 Quillaja,-i72, 457, 564 

 Quillwort, 449 

 Quina blanca, 592 

 Quince, 560, 562, 565 



Bengal, 451 

 Quinine herb, 664 

 Quinoline, 166 

 Quisqualis, 633 



Raceme, 394 

 Racemosus-a-um, 457 

 Radial flower, 393 

 Radial-longitudinal section, 



749 



Radiate head, 711 

 Radicans, 457 

 Radicle, 426 

 Radish, 457 



color in, 178 



protein in, 199 

 Ragweed, 435. 459, 726 

 Rain trees, 157 

 Raisin, 606, 607 



sugar in, 156 

 Rajania, 492 

 Ramie, 269, 517 

 Ranales, 531 

 Ranunculaceas, 532 

 Ranunculus, 457, 537 



ferment in, 244 

 Rape-seed, protein in, 199 

 Raphanus, 457, 553 

 Raphia, 269 

 Raphides, 186 

 Raspberry fruit, 415 



protein in, 200 



red, 563 



sugar in, 156 



syrup of, 563 

 Rattle-box, 442, 575 

 Rattlesnake plantain, 503 

 Rattleweed, 574 

 Ravensara, 546 

 Ray-flowers, 395, 711 

 Reactions, optical, 773 

 Reagents, 755 



alkaloidal, 163 



Mayer's, 164 



Sonnenschein's, 164 



special, 755 



Wagner's, 164 



Wormley's, 165 

 Reaumuria, 621 

 Rebandin, 713 

 Receptacle, 375 



secretory, 226 

 Reclinate, 364 

 Red gum, 574 



raspberry, 563 



root, 440 



wine, 607 

 Reed. 439, 445 



