404 



INDEX 



tral traits, II, C77; natural, 

 IV, 251; perfectly balanced, 

 IV, 255-260; dominant char- 

 acters in, V, 141 ; second gen- 

 eration, V, 161-162; domi- 

 nance of minor characters in, 

 VIII, 343 

 Hypericum, for lawns, VII, 

 269 



Iceberg blackberry, VIII, 316 



Ice plant, I, 101 



Immigrants, VIII, 372-375 



Immunity to blight. III, 147 



Improvements in the Much 

 Improved Iris, VII, 117-140 



Improvements in Wheat, Oats, 

 Barley, VI, 7-25 



Improving the Amaryllis, VI, 

 251-278 



Inarching and bark grafting, 

 II, 318-319 



Inbreeding, III, 10 



Increasing the PRoniiCTivENass 

 of THE Cherrt, III, 123-151 



Indian corn, I, 168; V, 313, 341- 

 342 



Indian cotton, VI, 52-53 



Indian fig, V, 16 



Indian's paintbrush, VII, 235 



iNEDraLE Fruits Which May 

 Be Transformed, IV, 373-384 



Infection, III, 172 



Insect and flower, alliance 

 between, II, 237, 331-333 



Insect pests, immunization 

 from. III, 225 



Insects, aid pollination, I, 64, 

 183; II, 9, 11; III, 306; de- 

 stroy stoneless seeds, II, 53; 

 intelligence of, 11,337; senses 

 of, 11,^342-348; mixtures for 

 destroying, III, 109; spray- 

 ing to remove. III, 110; foes 

 of cotton, VI, 60-66 ; destruc- 

 tion wrought by, VII, 314- 

 317 



Instincts, restoring submerged, 

 II, 103-107 



Interbred species. III, 83 

 Inventions, V, 158-159 

 Inventor, compared with plant 



breeder, V, 158-161 

 Iowa, apple experiments in, 



III, 225 

 Iris family, VII, 141 

 Iris, improvements in the, VII, 



117-121 

 Irrigation, importance in 



orange industry. III, 295; 



methods of, VII, 278-282; 



sprinklers, VII, 279; Skinner 



system, VII, 281; hose, VII, 



282 

 Isabella Regia grape, IV, 366- 



370 

 Italian onions, V, 193-194 

 Italian prunes, IV, 58 

 Ixia, a spectacular plant, VII, 



197-199 



Jacobean lily, VI, 273 



Japan, plants from III, 197, 



248, 249, 269, 281, 317 

 Japanese burdock, V, 237 

 Japanese chestnut, VIII, 52- 



56, 65 

 Japanese daisy. III, 17 

 Japanese golden mayberry, IV, 



321-325 

 Japanese iris, VII, 118-119 

 Japanese ivy, VII, 249-250 

 Japanese mammoth chestnut, 



VIII, 296 

 Japanese mustard, V, 206 

 Japanese plum. III, 204, 343; 



VIII, 268 

 Japanese quince, VIII, 317 

 Japanese rose, VI, 245 

 Jerusalem artichoke, V, 223 

 Jerusalem cherry, I, 247 

 Johannsen, on barley, II, 156; 



on kidney beans, II, 156 

 Johnson, produces hybrid ama- 



ryllis, VI, 262 

 Johnson's amaryllis, VI, 262- 



263 

 Juglans, VIII, 35-37; 45 



