470 



Index 



Cereals, disease-resistant, 313. 



Change, of seed, 28 ; of stock, results 

 from, 105, 107. 



Chelidonium, 55, 56. 



Cherries, hybrid, 235. 



Chimaera, 146, 148. 



Chromoplasts, 186. 



Chromosome, 325. 



Chrysanthemum, 251, 252, 253, 

 256, 257, 258, 259, 262, 263, 264, 

 267, 268, 269; carinatum, 226; 

 indicum, 250 ; inodorum plenis- 

 simum, 87 ; morifolium, 249 ; sege- 

 tum, 86, 89 ; segetum plenum, 86, 

 88. 



Citranges, 132, 312. 



Citrus trifoliata, 312. 



Climate, as factor in variation, 25, 

 26 ; man's control over, 27. 



Coefficient of heredity, 152 ; of va- 

 riability, 49. 



ColJard, 242. 



Color, mendelian inheritance of, 185. 



Commercial breeding agencies, 308. 



Compositae, 223. 



Compositous flowers, 279. 



Corn breeding, 216. 



Correns, 155. 



Cotton, 213, 214, 312, 313. 



Council of grain exchanges, 310. 



County agent, the, 310. 



Cowpeas, disease resistance, 220. 



Cross, function of, 101, 230. 



Crosses, characteristics of, 123. 



Crossing, a means not an end, 232 ; 

 and change of seed, 103 ; effects 

 on the species, 97 ; from stand- 

 point of plant improvement, 108 ; 

 how to overcome antipathy to, 

 121; limits of , 97, 98, 99 ; process 

 of, 281 ; refusal result of natural 

 selection, 100 ; vigor as result of, 

 112, 115. 



Crossing animals, 216. 



Crossing plants, philosophy of, 92. 



Crozy, 237. 



Cucumber pollinations, 141. 

 Cultivation, philosophy of, 24. 

 Cupid sweet pea, 77. 

 Curled kale, 241. 

 Cytisus Adami, 142, 145. 



Darwin, 20, 34, 52, 59, 73, 105, 107, 



111, 113, 209, 240, 242, 244, 296, 



307. 



Dates, 313. 



Davenport, C. B.; 183. 

 Davenport, E., 149. 

 Davis, Bradley Moore, 318. 

 Deviation, average, 47 ; standard, 48. 

 de Vries, Hugo, 52, 53, 59, 62, 63, 



72, 73, 74, 76, 79, 155. 

 Dewberry, 253. 

 Dihybridism, 171. 

 Dioecious flowers, 278. 

 Disease resistance, 219, 220, 313. 

 Dominance, 165 ; incomplete, 179. 

 Dominant characters, 325. 

 Dorsey, M. J., 424. 

 Double flowers, experiments in 



production of, 86 ; history of 



appearance of, 56. 

 Downing's "Fruits and Fruit 



Trees," 295. 

 Draba, 73. 



Drought-resistant plants, 313. 

 Duggar, B. M., 318. 

 Duplex, 325. 

 Durum wheat, 313. 



Ear-to-row, 308. 

 East, E. M., 318. 

 Eckford, 237. 

 Egg-plant, 128, 141. 

 Egyptian cotton, 313. 

 Elderberry, 217, 218. 

 Elementary species, 63, 80. 

 Emasculation, 282. 

 Emerson, 189. 



Environment as a cause of varia- 

 tion, 16, 216. 

 Epistatic, 325, 



