506 



INDEX. 



PAGE 



Hickories, propagation 85 



Himalayan plants 270, 272, 275 



Hoffman, cited 78 



Hofmeister, cited 67 



Holm, cited 96 



Homocentric doctrine 108 



Hooker, Sir W. J., and petunia, 467, 468 

 Horse-radish 99 



— seed-bearing in 252 



Horses in Dakota, etc 271, 272 



Horticultural geography 278 



Horticulture, progress in 202 



Horticulturist, evolution of ... . 217 



Host-plants 183 et seq. 



Horse-leeks 101 



Hovey, cited 147, 407, 408 



Hovenia, nativity of 277 



Humidity of air 308 



Hybridization 177, 322 



Hybrid petunias 467 et seq. 



Hybrids 94 



Ice age 271 



Iceland, plants of 289 



Idaho apples 283 



Illinois, acclimatization 326 



— apples in 370 



— apple-maggot in 184 



— at World's Fair . . 280, 282 et seq. 

 Immortality of one-celled organ- 

 isms 61 



Immune varieties 371, 389 



Impotent varieties 350 



In-breeding and cross-breeding . .382 

 Indiana maize 330 



— weeds in 192 



Indian com (see Com) . . 127-129, 153 

 ■'Insects Injurious to Fruits," 



quoted 184 



Insects and flowers 158 



— and varieties 371, 389 



— number of 139 



— why increased 180 et seq. 



Introducing varieties 369 



Inventory of nature 139 



Ireland, plants of 270 



Irrigation, effect of 169 



Isotherms 308 



Jackson, mentioned 421 



PAGR 



Jamaica, Flora of, on beans . . . 131 

 Japan, corn of 129 



— explorations in 270 



— fi-uitsof . . . .211, 267 et seq. 



— Soy bean of 132 



Javanese arrow-poison 52 



Jew against Jew 39 



Josselyn, John, quoted 192 



Juglans regia 52 



Jujube, nativity of 277 



Juneberry 210 



June grass in lawns 196 



Juniperus Virginiana 326 



Jussieu and petunia 465 



Kaki, nativity of 277 



Kalm, cited 330 



Kansas maize 330 



Katabolic changes 348 



Kensett, Thomas 216 



Kew herbarium, mentioned, 120, 121, 126 



King, quoted 43 



Knight, Thomas A., mentioned . . 138 



147, 155 et seq. ; 164, 252, 406 



acclimatization 324 



Koelreuter, mentioned 157 



Kumquat, nativity of 277 



Lacene, mentioned 442 



Lady-bug, Australian 215 



Lake-cress 101 



Lake Michigan, illustration near . 197 



Lake Superior, plants of 275 



Lamarckism 27, 31, 55 



Lamarck, hypothesis of .... 55, 56, 

 59, 76. 82, 166 



Lamarck, mentioned 140 



Lange on tomato 121, 127 



Latitude and plants, . . . .295et8eq.; 

 320 et seq. ; 379 



— beans 299 



— corn 298. 379 



— grapes 298 



— melons 299 



— plums 299 



— poplars 297 



— potatoes 298 



Lavoisier, mentioned 142 



Lawns, weeds in 196 



Laws and weeds 201 



