324 



INDEX 



Le Couteur, selection, small grains, 



119 



Legumes, crossing artificially, 72 

 Leidigh, self-fertilizing sorghums, 



180 



Leighty, wheat-rye crosses, 35, 106 

 Leighty and Hutcheson, blooming 



in wheat, 35, 69 

 Lewis and Vincent, heterosis in 



apples, 269 



self-sterility in apples, 269 

 Lily, anther and pollen of, 18 

 Lindstrom, chlorophyll inheritance, 



maize, 190 



Linkage, in cotton, 175 

 in oats, 97 

 in pea, 241 

 in tomato, 246 

 in wheat, 79, 80, 84 

 of characters, 26 

 Love and Craig, pure-line selections, 



oats, 123 



chaff characters, wheat, 84 

 oat crosses, 92, 93, 94 

 rod-row method, 114 

 thrashing machine, 117 

 wheat, species crosses, 78 

 wheat-rye crosses, 106 

 Love and McRostie, hulled vs. hull- 

 less, oats, 93 



Lumsden, inheritance in muskmelon, 

 257 



M 



MacDougal, inheritance in potatoes, 

 222 



Macoun, degeneracy in potato, 230 

 hardy fruits, 277 



Maize, chemical composition, 193 

 chlorophyll inheritance, 190 

 ear characters and yield, 197 

 ear-to-row breeding, 198 

 effects of self-fertilization, 46, 47 

 endosperm character inheri- 

 tance, 185 

 fertilization in, 19 

 heterosis in, 200 

 home grown seed, 199 



Maize, increase in seed size from 



crossing, 201 

 near relatives of, 181 

 origin of, 182 

 plant character inheritance, 



187-196 



podded condition of, 189 

 Malte and Macoun, crossing in 



vegetables, 251 

 Martin, clover, pollen germination, 



215 

 Mayer-Gmelin, spike density in 



wheat, 81 



McFadden, wheat-rye crosses, 106 

 McRostie, beans, disease resistance, 



139, 245 



Mendel's law, 12 

 Mercer and Hall, replication in plot 



test, 59 



size and shape of plot, 60, 61 

 Montgomery, ear-to-row maize, 198 

 origin of maize, 181 

 rod-row method, 115 

 size of plot, 60 

 weight of seed planted, 126 

 Morrow and Gardner, varietal 



crosses, maize, 202, 203 

 Munson, evolution of fruits, 264 

 Muskmelon, inheritance in, 257 

 Mutations, cotton, 177 



due to loss of factors, 276 

 fruits, 273 

 maize, 189 

 potatoes, 220, 229 

 tobacco, 167 

 velvet beans, 150 



X 



Nabours, cross-overs in partheno- 

 genesis, 276 

 Natural selection, 9 

 Naudin, on segregation, 7 



on cucurbit classification, 254 

 Nawaschin, double fertilization, 183 

 New introductions, 113 

 Newman, correlations, 125 



improvement by crossing, 134 



selection methods, 127 





