GENERAL INDEX. 



507 



Nutrition of Parasites, 182 

 Nutrition of Protoplasm, 180 

 Nutrition of Saprophytes, 182 

 Nux Vomica, 503 

 Nyctaginaceae, 497 

 Nymphaja, 131,558 

 Nympbceacen!, 128, 425, 557 

 Nyssa, 519 



Oak, 64, 147, 172, 284, 421, 436, 



479 



Oak Family, 477 

 Oat, 56, 58, 59, 166, 316, 318, 322, 



323, 455 



Oblong Leaves, 146 

 Ochnaceae, 540 

 Ochroma, 547 

 Octandrous, 432 

 (Edogoniacese, 269, 271, 339 

 (Edogoniese, 246, 269, 336, 337 

 (Edogonium, 10, 22, 42, 51, 250 

 (Enothera, 11, 98, 418, 522 

 Oidium, 284 

 Oil, 62, 129 

 Oil-cake, 544 

 Oil of Caraway, 63 

 Oil of Juniper, 411 

 Oil of Lavender, 497 

 Oil of Lemons, 63 

 Oil of Peppermint, 497 

 Oil of Rhodium, 502 

 Oil of Thyme. 63 

 Oil of Turpentine, 63 

 Oily Matter, 171), 181 

 Okra, 547 

 Olacales, 539 

 Olacinese, 540 

 Oldfieldia, 485 

 Olea, 102, 505 

 Oleacea?, 504, 565 

 Oleander, 94, 504 

 Olearia, 516 

 Oleaster, 492 

 Olibanum, 540 

 Oligomeris, 552 

 Olive, 505 

 Olive Family, 504 

 Olive Oil, 62, 505 

 Omphalaria, 306, 309 

 Onagraceae, 61, 522 

 Onion, 61, 63. 77, 93, 199, 323, 458 

 Onobrychus, 532 

 Onygeneae, 338 

 Onygenaceae, 339 



Oogonium, 243, 267 

 Oospore, 46, 56, 243, 268 

 Oosporea?, 205, 243, 269, 335, 337, 



339, 568, 569, 570 

 Oospbere, 45, 243, 267 

 Opegrapha. 310 

 Opegraphei, 310 

 Open Bundle, 121, 443 

 Opening of Flowers, 199 

 Operculum, 355, 360 

 Ophioglossacese, 371, 372, 379, 384, 



389 



Ophioglossum, 80, 380, 381 

 Ophrydeae, 470 

 Opium, 78, 556 

 Opium Poppy, 182, 556 

 Opposite Leaves, 149 

 Optimum Light, 191 

 Optimum Temperature, 184 

 Opuntia, 150, 520 

 Orange, 130, 132, 541 

 Orang Lily, 460 

 Orchard Grass, 455 

 Orchidales, 468 

 Orchidaceaa, 469 

 Orchids, 137, 433, 469 

 Orchil, 308 

 Orchis, 470 

 Ordeal Poison, 504 

 Organic Acids, 180 

 Organic Compounds as Food, 176, 



178 



Organogeny of the Flower, 426 

 Orobanchaceae, 500 

 Orobanche, 56 

 Ornithogalum, 461 

 Orthosti clues, 149 

 Oryza, 455 

 Osage Orange, 490 

 Oscillatoria, 37, 67, 217 

 Oscillatoriaceae, 217, 338 

 Oscillatoriae, 53, 55 

 Osmunda, 81, 377 

 Osmundaceae, 377 

 Ostrya, 72, 477 

 Ourari, 503 

 Ovary, 391, 417, 418 

 Ovules, 136, 137, 390, 402, 419 

 Oxalic Acid, 64, 180, 182 

 Oxalis, 197, 435, 542 

 Ox Eye Daisy, 514 

 Oxidation in Metastasis, 179 

 Oxidized Essences, 63 

 Oxygen, 175 



