INDEX 



597 



All numbers refer to pages, heavy tyyc indicating illustrations. 



sweet, 209; black nightshade, 

 208; egg plant, 85; jimson-weed, 

 200; red pepper, 131, 132; to- 

 baccos, 184; tomato, 83, 84; 

 white potato, 59, 60 



Nine-pins, 245 



Nitrocellulose, 228 



Nitrogen, 570; need of, 115 



Nitrogenous food, 114 



Node, 23, 317, 318 



Nomenclature, 314; binomial, 4 



Non-alcoholic beverages, 150 



Non-motile spores, 490 



Non-nitrogenous foods, 115 



Non-nutrients, 31 



Non-sexual, generation; 560; re- 

 production, 480, 483, 512; spores, 

 511 



Northern Fox-grape, 88, 93, 125 



Norway Spruce, 272, 551, 552, 553 



Nostoc, 522, 574 



Nostoc spp., Fallen Stars 



Nucellus, 551, 556 



Nucleus, 473 



Nurse-plants, 512, 548, 560 



Nursing by mosswort gameto- 

 phyte, 531 



Nut, 374; drupaceous, 376 



Nutlets, 364 



Nutmeg, 128, 134, 177; oil of, 130, 

 297 



Nutmeg Family, 398: nutmeg, 134 



Nut-oils, 101, 296 



Nutrients, 31 



Nutrition, organs of, 321 



Nuts, 35 



Nux vomica, 188, 189, 190 



Nymphwcece, Water-lily Family. 



Oak, 294, 414, 415; cork, 277, 278; 



English, 258; red, 257 

 Oaks, 374 

 Oak wood, 256 

 Oakum, 231 

 Oars, 2.59 

 Oats, 11, 12, 13, 14, 15, 25, 120, 



124, 126, 235, 387, 420, 421; 



kernel, 114; range, 27 

 Oorea, 372 

 Ocreate stipules, 372 

 Odors of flowers, 557 •■ 

 (Ecology, 10 ' 



(Enolhera spp., Evening Primrose 



Oinoiherace(B, Evening Primrose 

 Family 



Offensive odors caused by blue 

 alga;, 475 



Offspring, of two parents, 512; 

 well-endowed, 510 



Oil finish, 296 



Oil, of almond, 107; of cacao, 167; 

 of cloves, 129, 130; of mustard, 

 173; of nutmeg, 130; of saffron, 

 175; of turpentine, 288, 296; of 

 wintergreen, 147 



Oil reservoirs, 360 



Oil-cloth, 230 



Oils, 222, 295; drying, 295; fixed, 

 34, 128; non-drying, 297; vola- 

 tile, 128 



Ointments, 288 



Old age, .571 



OleacecE, Olive Family 



Olea europea, Olive 



Oleander, 206, 207, 209 



Oleic acid, 296 



Olein, 296 



Oleoresins, 287 



Olive, 100, 105, 124, 167, 296; oil, 

 101, 167, 296, 297; wood, 269 



Olive Family, 401: ohve, 105; 

 white ash, 259 



Once-compound, 339 



Onion, 43, 63, 64, 120, 124, 146, 

 390, 424, 425; bulb, 114 



Ontogeny, 435, 560 



Oomycetes, .Vater-mold Fungi 



Oospore, 484 



Open asstivation, 371 



Ophioglossum vvlgatum, Adder- 

 tongue 



Opium, 182 



Opium Poppy, 182, 183, 296, 361 



Opposite, floral organs, 368; leaves, 

 342, 3.52 



Opunliales, Cactus Order 



Orange, 88, 97, 121, 124; pulp, 114; 

 wood, 266 



Orange-flower oil, 297 



Orange-peel oil, 297 



OrchidacecE, Orchid Family 



Orchidales, Orchid Order 



Orchidece, Orchids 



Orchid Family, 391, 397, 424, 425: 



