INDEX 



327 



Tammes, flax inheritance, 155, 156 

 flax species crosses, 153 



Thatcher, barley inheritance, 102 



Thompstone, inheritance in rice, 109 

 natural crosses in rice, 37 



Timothy, breeding, 210 

 flower structure, 209 

 variability in, 208 



Tisdale, flax wilt, inheritance, 158 



Tobacco, breeding, 140 



classification in groups, 159 

 color of flowers, inheritance, 161 

 Fi crosses, vigor of, 42 

 mutations in, 167 

 natural crosses in, 36 

 number of seeds per plant, 36 

 parthenogenesis in, 160 

 quantitative characters, inheri- 

 tance, 162 



Tolaas and Bisby, disease-free pota- 

 toes, 291 



Tomato, characters of, 245 



Fi crosses, vigor of, 42, 43 

 inheritance, 245, 246 

 natural crosses, 39 



Townsend, self-fertilization in sorg- 

 hum, 180 



Trabut, oats, A. sterilis origin, 90 



Tschermak, barley inheritance, 102 

 bean inheritance, 242 

 oats, natural crosses, 36 

 oats, species crosses, 90 

 pea, inheritance, 238, 239 

 rye, wild rye, 106 

 rye, winter vs. spring habit, 106 

 tomato, inheritance, 245 

 vegetable, mass selection, 250 

 wheat, species groups and 

 crosses, 77, 78 



U 

 Ulrich, rye-pollination, 40 



V 



Valleau, sterility in strawberry, 270 

 Variations, hybridization, 13 



Variations, mutations, 21 



new combination, 21 



non-heritable, 20 



Vegetables, cross-fertilized group, 

 248 



origin and antiquity of, 235 



self-fertilized group, 234 

 Velvet bean, breeding, 151 



characters and inheritance, 149 



mutations in, 150 



origin, 149 

 Vilmorin, early selections, 119 



selection in beets, 250 



wheat species crosses, 77 

 Von Mons, selection in fruits, 264 

 DeVries, correlations, value of, 125 



individual plant method of 

 selection, 120 



wheat, barley and oats pollina- 

 tion, 35 



xenia in maize, 183 



W 



Waite, self-sterility in plum, 269 

 Waldron, alfalfa, natural crosses, 40 

 pollination of, 216 

 winter hardiness, 216 

 Waller, normal self-pollination in 



maize, 39 



Watermelon, wilt resistance in, 258 

 Waugh, self-sterility in plum, 269 

 Webber, cotton inheritance, 177 

 cotton, natural crosses, 38, 173 

 pepper inheritance, 247 

 timothy breeding, 210 

 xenia in maize, 183 

 Webber and Orton, cowpea, disease 



resistance, 145 

 Weigmann, early crosses, 5 

 Weissmann, constancy of germ 



plasm, 10 



Wellington, Fi tomato crosses, 42 

 heterosis and inheritance, cu- 

 cumber, 257 



parthenogenesis in tobacco, 160 

 raspberry inheritance, 272 

 Westgate and others, clover, seed 

 setting, 214 



