472 



Index 



Locke, 180. 

 Lupines, 231. 



Maize, 224. 



Mass selection, 307. 



Mean, 45; use of, 46. 



Measurement of, 41. 



Mendel, 155. 



Mendelian inheritance of color, 185. 



Mendelian ratio, 179. 



Mendelism, application to plant- 

 breeding, 202, 225 ; in wheat, 194 ; 

 limits of, in the production of 

 new varieties, 204 ; of tomatoes, 

 203 ; summarized, 200. 



Mendel's experiments, 156. 



Mendel's law, explanation of, 158. 



Methodical selection, 307. 



Minnesota Field Crop Growers' As- 

 sociation, 303. 



Mirabilis, 112. 



Modal coefficient, 45. 



Mode, 44. 



Monoecious flowers, 277. 



Monotypic genera, 224. 



Moore, Jacob, 235. 



Morning-glories, Darwin's experi- 

 ments with, 114. 



Morse & Company, 77. 



Morus multicaulis, 299. 



Munson, Professor, 117, 235. 



Munting, Abraham, 57. 



Mutability, laws of, with evening- 

 primroses, 72. 



Mutants, how produced in the 

 garden, 71. 



Mutation, history of, 55 ; first use 

 of word, 56. 



Mutations, 40, 52, 326 ; economic 

 significance of, 90 ; and fluctua- 

 tions, 54 ; can they be produced 

 artificially ? 200 ; examples of, 76 ; 

 experimental study of origin of, 

 84 ; frequency of occurrence of, 79 ; 

 mutations resulting from men- 

 delian segregation and recombi- 



nation, 193 ; mutations which 

 mendelize are constant, 193. 



Natal and post-natal variations, 18. 



Natural hybrids, rarity of, 102. 



Natural selection, 34, 93 ; as cause 

 of variation, 14. 



Navel oranges, 313. 



Nectarines, 241. 



New York Plant Breeders' Associa- 

 tion, 304. 



Nicotiana pollinations, 142. 



Nilsson, Professor, 304. 



Nulliplex, 326. 



Oats, Swedish select, 313. 

 (Encthera albida, 63, 67, 71, 74; 



analytical table of seedlings, 



68-69 ; brevistylis, 63, 64, 71, 74 ; 



de Vries' experiments with, 59 ; 



elliptica, 64, 68, 71, 74; gigas, 



63, 65, 66, 71, 74; Icevifolia, 63, 



64, 71, 74; Lamarkiana, 59, 60, 

 61, 64, 71, 74; lata, 64, 67, 71, 

 74 ; muricata, 60 ; nanella, 60, 

 63, 64, 71, 74; oblonga, 63, 67, 

 71, 74; rubrinervis, 63, 65, 71, 

 74; scintillans, 64, 68, 71, 74; 

 variations in stature of, 53. 



Ohio Plant Breeders' Association, 



304. 



Olives, drought-resistant, 313. 

 Ononis repens, 80. 

 Organs, essential, 274. 

 Orton, 313. 



Palmer, Asa, 264. 



Peaches, 212. 



Peas, Mendel's experiments with, 



157. 



Pedigree culture, 308. 

 Pelargoniums, 237. 

 Peloric toad-flax, 79. 

 Pepino pollination, 141. 

 Pepper pollinations, 141. 

 Peppers, 222. 



