INDEX. 



715 



Nocturnal Plowei-s, . 73 



Noijalese, . . 641 



Norfolk Island Pine, 476 



Norway Maple, , . 438 



— Spruce Fir, , 469 



Nucifera Tliebaica, . 258 



Nutrition of Vegetables, 45— 

 how nutriment is conveyed to 

 the plant, 46— Hales' experi- 

 ments, ib. 47— course of the 

 sap, ib. — Amici's experi- 

 ments, 48 — Observations and 

 experiments of others, 48 et seq. 

 Nutmeg, 92, 170— Nutmeg Tree, 487 

 Nutshell, . . .96 



Nux Medica, . . 241 



Nux Vomica, . . 554 



Nymphea, 652— Lotus 270 



Nympheaoese . 203 



Oak, Wood of, 25 — Oak,anative 

 of Britain, 161 — held sacred 

 by some nations, 421 — three 

 kinds indigenous to Britain, 

 ib. — common British Oak, ib. 

 its wood, 4-i2 — acorns used as 

 food, ib.— swine fed upon 

 them by the Saxons, ib. — 

 New Forest filled with swine, 

 ib.— importance of the Oak, 

 423 — extract from writer in 

 Quarterly Review regarding 

 the species, ib. — celebrated 

 Oaks, ib. 424 — raising of Oaks, 

 transplanting of, 42.5, 426, 427 

 —Turkey Oak, 427— Italian 

 Oak, ib. — Velonian Oak, ib. — 

 Evergreen Oak, 428 — Kermes 

 Oak, ib.— Cork Oak, ib.— 

 White Oak, 429— Red Oak, 

 ib. — Chestnut Oak, ib. — Live 

 Oak, ib.— Willow Oak, 430— 

 Dyers' Oak, ib. — Misletoe 431 

 Oak Leaves, . . 674 



Outer Medulla, 22 — produces 



cork, . ; . 22 



Oats and Plants, seeds of, 98 — 

 Oats, 218 — different varieties 

 of, ib. — the potatoe oat, ib. — 

 uses of, ib. — tlie wild oat, 219 

 Oblique Root, . . 15 



Ochnacese, . . 628 



Odontopteris, . . 655 



Officinal Croton, . 513 



Oils, 144 — Almond, ib. — Behen, 

 145 — Drying, ib. — Olive, 144 

 — Rapeseed, 145 — Volatile, ib. 145 

 Oil of Beech, _ . 435 



Oil of Turpentine, its applica- 

 tion to medical purposes, 563 

 Oil-bearing Camellia, . 602 



OlacincEe, . . . 631 



Olea Europsea, . . 3.i8 



Olea Fragrans, 362, 389, 393 



Oleum de Citrangula, 349 — Ole- 

 um de Citrangulorum Semi- 

 nibus, . . 349 



Olibanum, . . . 149 



Olive, bounds of its cultivation, 

 163, 164— use of its oil, 164, 

 358,359— a native of Syria, 359 

 — localities of^ lb.' — time for 

 gathering it, ib. — in ancient 

 times held in great estima- 

 tion, ib. — curious account of 

 its introduction into Morocco, 

 360— manner of planting Olive 

 in Morocco, ib. — varieties of 

 .Olive — Olive trade, ib.— Olive 

 groves, ib. — time in which 

 Olive flourishes, 361— Ohve 

 Oil, the great depot for, 361 

 —brought to the magazme in 



skins, ib.— shipping of, 362 — 

 price of, ib. — Olives never ga- 

 thered, . . .362 

 Onagrariae, , . 642 

 Onion, 266— history of, 266— 

 varieties of, ib. — method of 

 improving, ib.- Onion,Wel8h, 

 267 — Onion ground or pota- 

 toe, ib.— Onion Tree, . 267 

 OpercularieiE, , . 624 

 Ophioglossea:, . . 200 

 Opium, 547— Turkey Opium, 



548— East India Opium, 548 



Opobalsamum, . . 147 



Opononax, or Rongh Parsnip, 

 1 49, 564 — its juice, how ob- 

 tained, and for what use, 565 

 Orange, its cultivation in Eu- 

 rope, 164— Tree, 166— Fami- 

 ly, 347 — when introduced into 

 England, 348— Preservation of 

 Orange Trees, ib. 349— culti- 

 vation in Devonshire, 349 — 

 Crusaders' idea of the Orange, 

 ib. — fable concei-ning, ib. — ' 

 history of the, ib. — varieties 

 of the, 350— Bitter Orange, 

 ib. — localities, 349 —351 — 

 Beauty of the Orange Tree, 

 351 — Tuscany not fitted for 

 growing Oranges, ib. — Tem- 

 perature, &c., most conducive 

 to its perfection, ib. — Soil of 

 Malta unfavourable to, ib. — 

 Orange of the islands, 352 — 

 Oranges gathered in a green 

 state, ib. — Orange Trees cul- 

 tivated in England and Scot- 

 land, . . . 353 

 Orange Lily, . . 577 

 Orchidese, . . 203 

 Orchis Tribe, 87, 269— Orchis 



Mascula, . . 269 



Organs of Plants, 1 2 — roots, ib. 

 . — 1 6 — stem,ib.— 1 9- -branches, 

 25, 26 — leaves, 37 — "•9 — repro- 

 ductive organs, 55 et seq. — 

 fructification, . . 65 



Organs of Reproduction, history 

 of their discovery, 55 — com- 

 pared with those of animals, 

 . ib. — sexual organs, 56 — on the 

 sexuality of vegetables, 56, 57, 

 58 — established by Linn^us, 

 ib. — impregnation' of flowers, 

 59, 60 — peculiarity in the 

 plant, valisneria spiralis, 61 — ■ 

 experiments on the fecunda- 

 tion of female flowers, 62 — ■ 

 objections to the sexual sys- 

 tem, . . 63 et seq. 

 Orkney, manufacture of kelp 



in, . . 187,188 



Ornamental Shrubs and Heaths, 598 

 Orobanchese, . • 616 



Orobus, 316 — Luteus, ib. — Tu- 



berosus, . . .316 



Orris Root, Florentine, 534 



Osier, . . . 444 



Osmundareese, . . 200 



Otaheite Hog Plum, . 374 



Otopteris, . . . 655 



Ovarist, Theory of the, 83 



Ovary, enlargement of, 88 — its 



cells and ovules or seeds 88 



OxiilidesE, . . 629 



Oxlip, 581 — singularity of, 581 



Oxydes Metallic, . 155 



Oxygen, operation of, 109 — ef- 

 fects of, 114 — on germination, 

 ib. — on vegetation, ib. — on 

 flower and fruit, ib. — on 

 plants, . . . 114 



Palms, 163 — various species of, 

 170, 202— family of, 240,664 

 —Palmyra Palm, . 259 



Pandanocarpum, . . 654 



Pandanus, 479— grecn-spined, 479 

 Panicle, . . .72 



Pansy, ... 586 



Papaw, . 379 



Papaveraceffi, . 636 



Paper, . . .679 



Papilionaccffi, . 310, 646 



Papillary Glands, . .11 



Pappus, simple hairs of, 93 — 

 feathery haurs of, ib. — Pappus 

 Sessile, . . .93 



Papyrus, 1 66 — an aquatic plant, 



232— description of the, 233 



Paronychiesc, . 639 



Parsley, 290— varieties of, 290 



Parsnip, 288— varieties of, ib. — 

 soil requisite for, ib. — used as 

 potatoes, . . 289 



Partitions, I,ongitudinal, 92 — 



Transverse, ib. — False, . 92 

 Parynchema, . . 10 



Pasque Flower, . . 574 



Passiflora, 375— Edulis, 376— 

 Quadrangularis, ib. — Lauri- 

 flora, ib. — Incamata, ib. ^ 

 Passifloreas, . , 642 



Passion-Flower, 168, 601 — 

 whence the name, variety of 

 species, how reared, 601, 602 



Pastinaea Sativa, . 28S 



Pea, Experiments on the, 85 — 

 Analysis of the, 94 — Com- 

 mon Pea, 311 — when intro- 

 duced into this country, ib. 

 — varieties of, 312 — cultiva- 

 tion of, ib.— Sweet Pea, 317 

 effect of gas on Peas, . 113 



Peach, 165 — mentioned by Co- 

 lumella, 329 — ^when introduc- 

 ed into England, ib. — varie- 

 ties of, ib . — localities of, ib. — ■ 

 how cultivated in the United 

 States, ib. — much cultivated 

 in France, 330 — general diffu- 

 sion of, ib. — manner of pro- 

 pagating, ib. — difference be- 

 tween it and the Almond, 

 curious circumstance regard- 

 ing, 331— flat Peach of China, 

 ib. — the negro Peach, 368 — 

 edible Peach, . . 368 



Pear, 1 62, 325— ancient history 

 of the Pear-Tree, 326, names 

 of the, ib. — cultivated in 

 China, ib. — wood of the Pear- 

 Tree, ib. — varieties of Pears, 

 ib.— 327— propagation of, 327 

 — Grafting of, ib.— pruning of, 327 

 Pear, Alligator, . . 374 



Pear, Prickly, or Indian fig, 168 

 Peat, 161. — Peat- Moss, account 

 of, and of the formation of 

 Peat, 198, 199— Peat earth 672 

 Pecopteris, . . 656 



Pediculares, . . .616 



Pelargoniums, see Geranium, 694 

 Pennyroyal Mint, . 492 



Pentandria, . , .87 



Pepo MacTOcarpus, . 86 



