Sl2 



INDEX. 



Oil, volatile, botanical clas- 

 sification, 232 

 characteristics of, 231 



. composition, 233 



culture of plants yield 



ing, 747 

 formation, 235 

 micro-chemistry of, 231 



water fennel, 643 

 Okra, 611 

 Olea, 660 



Oleaceae, 453, 660 ■ 

 Oleander, 668 



cork in, 293 

 Oleandrin, 668 

 Oleo-resin, 225 

 Oleum, 453 



Cedralae, 589 



Lavandula, 676 



Rosmarinus, 676 



Theobromatis, 612 

 Oleuropein, 661 

 Olibanum, 587 



American, 587 

 Olive, 453. 660 



family, 660 



oil, 660 



tree, 660 

 Onagraceae, 634 

 Onion, 435, 485 



sea, 461 



sets. 327 



starch in, 148 



sugar in, 157 

 Onoclea, 92, 453 

 Ononidis, 576 

 Ononis, 576 

 Ontogeny, 130 

 Oogonium, 5 

 Oomycetes, 42 

 Oosphere, 5 

 Oospore. 5 

 Opegrapha, 75 

 Operculina, 453 

 Operculum, 79 

 Opium, 241, 453 



collection of, 549 



poppy, 546, 547 

 Optical reactions, 773 

 Opulus, 454 

 Opuntia, 454, 626, 627 

 Opuntiales, 625 

 Orange, 437. 44i. S82 , 



bitter, 583 



blood, 584 



Curacao, 583 



G. G., 182 



kidney-glove, 584 



kumquat, 584 



Malta, 583 



mock, 455. 556 



navel, 584 



osage, 451. S16 



otaheite, 584 



Portugal, 583 



Orange, protein in, 199 



root, 448 



Seville, 583 



sugar in, 156 



sweet, 583 

 Orcein, 74 

 Orchid, 496 

 Orchidaceae, 496 

 Orchidales, 496 

 Orchil, 75 

 Orchis, fringed, 447 



round-leaved, 499 



white fringed, 500 

 Orcin, color in, 179 

 Ordinary ray, 774 

 Orellin, 622 

 Organography, i 

 Organs, nutritive, 3 



plant, 3 



sexual, 3 



vegetative, 3 

 Orientalis-e, 454 

 Origanum, 454. 679 



Cretian, 679 



oil, 679 

 Orlean, 621 

 Ornithogalum, 485 

 Ornus, 454 

 Orobanchaceae, 696 

 Orpine family, 556 

 Orris root, 332, 492 



starch, 143 

 Orthotoschies, 363 

 Oryza, 467 

 Oscillaria, 10 

 Oscillatoria, 10 

 Osmosis, 251 

 Osmunda, 365. 454 

 Ostrya, 454, 510 

 Otaheite orange, 584 

 Ovary, 120, 376 



tissues of, 406 

 Ovules. 376, 378 



development of, 124 



forms of, 379 



positions of, 379 

 Oxalidaceae, 579 

 Oxalis, 454. 579 

 Oxidation, 252 

 Oxyacanthine, 539 

 Oxycedrus, 454 

 Oxycoccin, 656 

 Oxycoccos, 656 

 Oxydases, 245 

 Oxygen, 252 



in fucus, 28 

 Oxymethylanthraquinone, 



176 



Pachira, 611 

 Pseonia, 454 

 Palaquim, 658 

 Pale. 466 



Palisade tissue, 366 

 Palmae, 473 



Palma'ely-cpmpound, 356 

 Palmately-veined leaves,' 353 

 Palmatus-a-um, 454 

 Palmetto, 458 



saw, 459 

 Palmi-nerved leaf, 353 

 Palm oil, 474.. _ 

 Palms, 473 

 Palustris-e, 454 

 Panax, 305, 454, 636, 638 

 Pandanales, 463 

 Pangium,i98, 623 

 Panicles. 396 

 Paniculatus-a-um, 454 

 Panicum, 454 

 Pansy, 622 

 Papain, 244, 542, 624 

 Papaver, 454. 546, 547 

 Papaveraceae, 546 

 Papaverales, 546 

 Papaw family, 624 



ferment in, 244 



North American, 437, S42 



tree, 624 

 Papayotin, 624 

 Paper, Chinese rice, 636 

 Papilionaceous, 386 

 Papilionatae, 567 

 Papillae, 451 

 Pappus, 711 

 Paprika, protein in, 200 

 Papyrifer-a-um, 454 

 Paracatechin, 607 

 Para cress, 724 

 Paradise grains, 494 

 Parallel-veined leaf, 352 

 Para-nut, 629, 630 

 Parasites, 40 

 Pareira. 539 

 Parenchyma, forms of, 262 



rays, secondary, 314 



sheaths, 367 

 Paricine, 546 

 Parietales, 615 

 Pari-pinnate, 357 

 Parnasia, 209, 556 

 Paronchia, 531 

 Parrya. 553 

 Parsley, 455 



garden, 643 

 Parsnips, protein in, 199 

 Partridge berry, 697 

 Parviflorus-a-um, 454 

 Pasque flower, 456 

 Passiflora, 454. 623 

 Passifloraceae, 623 

 Passion flower, 454, 615, 623 

 Patchouli oil, 679 

 Patchouly, 679 

 Pauciflorus-a-um, 454 

 Paullinia, 454, 603 

 Paviin, 602 

 Payena, 659 

 Pea, 198, 576 



everlasting, 450 



