INDEX. 



509 



PAGE 



Nursery business, impressions of . 245 



Oaks, borer in 184 



Oak, propagating 70, 85 



Oflfshoots, office of • 252 



Ohio maize 330 



Olive 276 



— nativity of 277 



Oneness • 164 



Onion, top 99 



Onions, effect of climate on . • 46, 47 



— seed-bearing in 252 



Orange 137 



— nativity of 277 



— tribe, development of 164 



— tree scale 215 



Oranges, analyses of 236 



Orchard, insects in 183, 186 



Orchards, weeds in 259 



— why barren 249 



Orchids, increase of 211 



Oregon, acclimatization 326 



— apples • ■ 283 

 ' ' Origin of Floral Structures, ' ' quo. 74 



Origin of our flora 274 



" Origin of Species," mentioned . .111 

 Ornamentals, hybrid • 177 



"Our Heredity from God," quoted 22 



Ovum ... 60 



Pacific coast, almonds of 206 



vedalia on 215 



— slope, apples on 175 



pomology of 275 



Packages, progress in 215 



Pammel, quoted . 294 



Pumpas, cardoons on 200 



Pangenesis 60, 64, 67 



Panieum sanguinale 259 



Panmixia 29 



Parallelism in variation 220 



Parasites 191, 214 



Parkman, Francis, quoted 40 



Parsons, quoted 236 



Paul, mentioned 450 



Pea, Cooper on 153 



— Knight's work 158 



— seed-crop 37 



— variation in 378 



Peas, experiments ou 264 



PAGE 



Peas, seed-production in 251 



— viney 169 



Peach 137 



— borer in • 184 



— dominant types • 175, 176 



— growing and climate 303 



— Hill's Chili, etc 240, 241 



— nativity of 276 



— ■ running out 389 



— yellows 188,427 



Peaches, quality in . . 221, 223, 226, 232 



— in early days ■ ." 215 



Peach-trees, acclimatization . . 323, 325 

 Pear, acclimatization 328, 333 



— American vs. European 316 



— Bergamot 145 



— blight 188 



— borer in 184 



— dominant types ... .... 175 



— Knight's work 158 



— nativity of 276 



— progress in 207 



— psylla 191 



— running out .... 385, 386, 389, 390 



— unftxity of 369 



— Virgalieu 144 



Pears, blight-proof 372 



— exporting 216 



— hybrid 177 



— quality in . 221, 224, 226, 227, 230. 232 



— sterile and fertile 353 



— Van Mons' 146 



Pecan, progress in 210 



Pelargoniums, from cuttings .... 447 



Pennock, quoted 451 



Pennsylvania at World's Fair ... 282 

 Pepper, red (see Red Pepper). 

 Perennials at the north 295 



— nature of 45 



Perry, Commodore 270 



Persimmon, Japanese 211 



— nativity of 277 



Petunia, evolution of 465 



— experiment with 262 



— intermedia 469 



— Nixenii 471 



— marginata 471 



— nyctaginiflora 465 et seq. 



