INDEX 



Abies, VIII, 140, 161, 164 

 Abundance plum, III, 117, 339; 



renamed, IV, 166 

 Acacia, I, 100; VIII, 171 

 ACHIEVING THE IMPOSSIBLE 



THE PLUMCOT, IV, 181-207 

 Acorn squash, V, 113 

 Acquired traits, transmission 



of, VII, 364-368 

 Adaptation, of plants, I, 46; 

 struggle to secure, I, 136; 

 the forward march of, I, 117- 

 173; of pears, I, 160; of arti- 

 chokes, I, 167; of celery, I, 

 167; of lettuce, I, 167; of 

 oranges, I, 167 

 Aerial potatoes, V, 180-182 

 Affinities, plant, II, 213-333; 

 founded on cousinship, II, 

 220-923 



African daisy, orange, a sun- 

 loving flower, I, 182; history 

 of, I, 210; evolution of, inter- 

 rupted, I, 211; characteristics 

 of, VI, 819; variation in color 

 of, VI, 327-331 

 Agrippina rose, VI, 238 

 Aid from nature, IV, 82-85 

 Air, how plants use, V, 79-88; 

 necessary to plant growth, 

 VII, 275; must circulate 

 among roots, VII, 33 j in the 

 soil, VII, 309 



Air drainage, of trees, III, 121 

 Alaskan strawberries, IV, 279 

 Alder, VIII, 171 

 Alexander apple, seedlings 

 from, III, 221 



391 



Alfalfa, finds in man a friend, I, 

 151 ; characteristics, VI, 35-37 



Algae family, shows great adapt- 

 ability, I, 85 



Alkali bath, IV, 35, 38-39 



Alkaloids, from trees, VIII, 

 142 



Alliance, between insect and 

 flower, II, 237 



Allied species, protoplasm of, 

 II, 225 



Allium, varieties of, V, 195-197 



ALMOND AND ITS IMPROVEMENT, 

 VII, 323-346 



Almond, II, 45; III, 83, 205; 

 IV, 67; VII, 823-316, 331- 

 341 ; VIII, 18-19, 257-259 



Almond-nectarine, VII, 333 



Almond orchards, cross-fertili- 

 zation necessary, VII, 343 



Almond-peach hybrids, VII, 

 335-341 



Almond-plum hybrid, VII, 323, 

 328-329 



Aloes, I, 85 



Aloyaia citriodora, VII, 172 



A U trcetneria, experimenting 

 with, V, 278, 279 



Amaranthus, as a weed, VII, 

 294 



Amaryllis, I, 234; V, 278; VI, 

 251-278; VII, 315; VIII, 307 



Amaryllis and Jacobean lily, 

 hybrids from, VI, 273 



Amber sugar canes, related to 

 Orange sugar canes, VI, 81 



America, the melting pot of na- 

 tions, VIII, 372-374 



