INDEX. 



573 



N.B The numbers refer to the paragraph* 



Night-blowing Cereus, 611 



Nightshade tribe, 656 



Nitrogen, an article of Vegetable food, 168 ; 



sources of, 124-198 

 Node, 148, 302 

 Nutmeg tribe, 668 



Nutritive products of Plants, 327-342 

 NYMPHACE.E, 520 



O. 



OAK, 677, 678 



Oak-bark, 365 



Ochro, 548 



(Enothera, 599 



Oils, fixed ; olive, 370 ; rape, 371 ; poppy, 371 ; 

 walnut, 371 ; palm, 372 ; ben, 372 



Oils, essential or volatile, 373, 374 ; turpen- 

 tine, 375 



Olibanum, 378 



OLEACEJE, 647, 648 



Oleander, cuticle of, 89; leaf of, 249 



Olive oil, 370 



Olive tribe, 647, 648 



ONAGRARIACE.E, 599 



Onion, 711 



Opium, 384, 385 



Opposite leaves, 303 



Orache, 665 



Orange tribe, 563, 566 



Orange, rind of, 98 



ORCHIDE.E, 692-696, 



Orchideous Plants, 2/2, 692-606 



Orchilla, 394 



Orders, 478 



Linnsean, 484 



Natural, 486 

 Organs of living beings, 1, S 

 OROBANCHE^E, 660 

 Orobanche, 221, 344, 660 

 Osmunda regalis, 24, 222 

 Otto of Roses, 300, 362 

 Ovarium, 434, 499 

 Ovules, 434, 469, 500 



Oxalic acid, 401 ; formed by Lichens, 37 



OXALIDE^E, 577 



Oxalii, 577 



Oxygen, component of Vegetables, 166 



P. 



PJEONY, 9, 513 

 Palm, 1 stem of, 141-143 

 PALMACEJE, 721-725 

 Palma Christt, 670 

 Palm Kale, 532 

 Palm Oil, 372 

 PANDANE^J, 726 



Pan/Janus, aerial roots of, 110, 115 



Pansey, 538 



PAPAVERACEJE, 523-528 



Paper Mulberry, 674 



Papilionaceous flowers, 467, 587, 588 



Papyrus, 137,733 



Parasitic plants, 319-322; leafless, 221, 343, 



344 



Parenchyma of leaf, 88 

 Parnassia, 616 

 Parsley, 617 

 PASSIPLORE*:, 608 

 Passion-flower tribe, 608 

 Pea, monstrous carpels of, 462 

 Pea tribe, 586 

 Pelargonium, 572-574 

 Pellitory, 672 

 Pepper tribe, 675 

 Perianth, 455 

 Peridium of Fungi, 58 

 Perigynous, 498 

 Peristome of Mosses, 429 

 Permeability of Vegetable tissues, 72 

 Peruvian Bark, 628 

 Petals, 455, 456, 459 

 Petiole of leaf , 217,226-228 

 PHANEROOAMIA, characteristics of, 19,21 

 Phormium tenax, 714 

 Pileus of Fungi, 58 

 Pimento, 603 

 Pimpernel, 646 

 Pine tribe, 680-682; peculiar woody fibre of, 



78, 79 ; structure of woody layers in, 133 

 Pine- apple tribe, 71 6 

 Piney tallow, 558 

 Pinnate leaves, 242-245 

 PIPERACE^-:, 675 

 Pistachio nut, 585 

 Pistia, 690 

 Pistil, 434 

 Pitch, 376 



Pitcher-Plants, 242-245 

 Pith, 126, 127 

 Placenta, 434, 499 

 Plantain tribe, 701-704 

 Plurnula, 111, 440 

 Pollen, 433, 469 



POLYGONE^E, 666 



Pond-weed, 691 



Poplar, 676 



Poppy tribe, 525-528 



Poppy-oil, 371 



Potamogeton, 691 



Potatoe, 151, 659 



Prickles, 74, 96, 97 



Prickly-Pear, 219, 610 



Prick-wood, 582 , 



Primrose, 465, 645 



