INDEX 



369 



plant-improvement by, 22-3, 96-7, 

 113, 154, 155 

 hybrids, abnormalities in, 210; be- 

 havior of, 191, 207, 209-10; char- 

 acteristics of, 54-5, 149, 194> 196; 

 classification of, 168, 179; color- 

 varieties, hybrids of, 210; discus- 

 sion of (Linnaeus), 23, 24; dis- 

 junction in, 131-2; disordered 

 variation in, 133-4, 135? domi- 

 nance in (see also dominance), 

 89, 103, 116, 121, 142, 163, 279, 

 292-4, 325, 329, 330, 340-1, 349-50, 

 351-3; factorial components of, 

 271, 293-4, 312, 318; fertility of, 

 24, 45, 46-7, 95-6, 101, 123-4, 127, 

 128, 129, 130, 162-3, 180-1, 187-8, 

 191, 192, 207, 208, 223, 228-9, 237-8, 

 272 ; first generation, uniformity 

 of, 58, 130, 134, 136, 209, 282, vari- 

 ability in, 189, 190, 194, 195, 277, 

 vigor of, 44-5, 47, 196, 228-30; in- 

 termediacy in (see also heredity 

 unisexual afid bisexual) , 28, 44, 53? 



56, 57, 58, 65, 103, 130-1, 135, 141, 

 142, 151-3, 155, 163, 181, 183, 188 

 189, 191, 192-3, 195-6, 207, 234, 

 236, 237-8, 262, 264-6, 268-70, 274, 

 282; list of Gartner, 168. Haart- 

 mann, 29, Kolreuter, 36, 46, 48, ^o, 

 54, SS> 58, 61 note, Wichura, 180 

 Wiegmann, 162 ; mating of, 238-9 ; 

 microscopic structure of, 267-70, 

 272-4; nature of 23. 24, 45, 54-5, 

 100, 130, 131, 133, 135, 141, 154. 

 171, 180-1, 183, 188, 190, 191, 193- 

 4, 196, 210, 334; non-fusion of 

 characters in, 121, 180, 234-5; nu- 

 merical relations in, 107-8, 136, 

 144, 145-6, 172-3, 175-6, 235, 27 > 

 81, 294-5, 296, 315-17, 325, 327-31- 

 340-1, 356-7; race and variety, 

 210; reciprocal, 47, 48, 52, 53, 56, 



57, 58, 134, 151-3, 181, 187, 189,- 

 191, 19?, 208, 223-4, 237, 2Q3, 350, 

 3J3; reversion in, 110, 126, 12S-Q, 

 132, 169, 189, 192, 206, 236, 237-8 

 238-9 ; rules or laws regarding, 23, 

 24, 87, 126, 149, 168-9, 171, 187-9, 

 190-2, 209-10. 282, 290, 291, 30^, 



31 1, 312, 318, 324-?, 328-0, 332, 311, 

 342; second-generation, 125, 128-9, 

 131> 133, 136, 164, 169, 176, 189, 



190, 194, 210, 238, 282, 293-4; seg- 

 regation in, 108, 121-2, 122, 125, 

 128, 131, 132, 135, 140, 145-6, 151, 

 156, 162-3, 169, 174, 176, 293.5, 

 298-9, 303, 305-6, 307-8, 325, 328-9, 

 332, 333-4' 340-1 ; species-hybrids, 

 42,62,99, 151-4, 180, 183, 189, 190, 



191, 192, 194, 195, 196, 207-8, 210, 

 223 ; species-hybrids, sterility of, 

 127, 153, 154, 180, 191, 194-5, 262, 

 272; sterility of, 24, 43, 45, 9', 

 126, 127-8, 12Q, 141, 183-1, 187-*^, 

 191, 194-5, 207, 210. 224-6, 236-', 

 272; systematic relationship in, 

 95-6, 161, 162, 183, 187, 188, 190, 

 191, 193, 206, 207-8. 210, 223, 2"'7, 



272 ; "true" and "false," 183 ; uni - 

 characters in (see also unit-char- 

 acters), 121, 133, 271-2, 334-5 ; var- 

 iability, 189, 190, I9<r, 210; var- 

 iability of first generation, 190, 194, 

 195; variability of second gener- 

 ation, 51-2, 134-5, 169, 194; vege- 

 tative development of, ^^, 90, 127, 

 141, 169, 170, 180, 189, 192, 196, 

 206, 210, 228-9; vigor of (see also 

 fertility and fertilization), 44-5, 

 SS, 89-90, 99-100, 127, 141, 169, 

 180, 192, 194-5, 196, 205-6, 210, 

 226-7, 228-9, 231, 232, 265, 267; 

 zygomqrphic forms, hybrids of, 

 208, 235. 



IDIOPLASM, evolution and, 203 ; Na- 

 geli on the, 197-204; phylogenetic 

 development of, 201 ; sense-con- 

 duction through, 202 



improvement of plants, 23, 52, ^^, 

 90, 93, 96-7, 98, 104, 113, 117, 153, 

 169-70 



inheritance, blending, 155, 156, 234, 

 243, 263-4, 266 ; color, see Color ; 

 non-blending, 155, 243, 270, 271 ; 

 of eye-color, 248-50 ; of human 

 stature, 246-8; of time of flower- 

 ing, 266; particulate, 241-4; pre- 

 ponderance in, 198 



insect-pollination, 39-40, 81 



intermediacy, see hybrids 



Iris, pollination in, 39-40. 



