INDEX 



Bread mould, 80 



Broccoli, 112 



Broiisonetia papyrifera, 163 



Brown eyes, 69 



Brown, Lady Isabel, 135 



Brussels sprouts, 112 



Bryophytes, 127 



Bucholz, 127 



Bud-sport, 114 



Bulbils, 16 



Cabbage, wild, 112 



Cacti, thornless, 113 



C 'alamo phyla, 245 



Calla, 80 



Camptosorus rhizophyllus, 15, 1 7 



Canary Islands, 161 



Canndbis saliva, 163 



Capsclla Bursa-pastoris, 95 



Castalia flava, 179 



tetragona, 158 

 Cauliflower, 112 

 Ceylon, 145, 150 

 Character-units, 64 



versus unit-characters, 65 

 Chromatin, 36, 75 

 Chromosomes, 37 



Chrysanthemum leucantheminn, 154 

 Cinnamon fern, 12 

 Classification, 121 



evolution and, 122 

 Clayton's fern, 13 

 Cliff-cabbage, 124 

 Clover, 113 

 Coal balls, 204 

 Cocos Island, 143 

 Coleoptile, 224 

 Cone-flower, 114 

 Cordailales, 233 

 Cordaites, 232 

 Corsica, 144 

 Cotyledonary ring, 222 



Cross-fertilization, 25 

 Crossing, increased vigor from, 69 

 Crossotheca Hoeninghausi, 202 A 

 Cultivation, escapes from, 163 

 Cultures, pedigreed, 59 

 Curve of frequency, 106 

 Cycadeoidea, 212, 214, 220 



dacotensis, 208, 209, 210, 215, 

 219 



Dartoni, 216 



ingens, 215 



Wielandi, 213, 214 

 Cycadocephalus Sewardi, 208 

 Cycadofilicales, 201, 207 

 Cycas circinalis, 212 

 Cyrtomium falcatum, 9 

 Cystopteris bulb if era, 16 



Darwin, Charles, 90, 91 

 Darwinism, 90, 92 



mutation theory to, 118 

 De Candolle, 144 

 Dendrobium attenualum, 147 

 Dendroceros. 174 . 



Determinants, 75 

 Determiner, 64 

 de Vries, Hugo, 74, 101, 102 

 Diapensia lapponlca, 162 

 Dicotyledons, monocotyledonous, 



226 



Dicotyledony, origin of, 220 

 Dictyota, 135, 137 



dlchotoma, 136 

 Diervilla, 154 



Lonicera, 155 



rivularis, 155 



sessilifolia, 155 



Differentiation, Dorso-ventral, 20 

 Dlonaea muscipida, 178, 179 

 Dioscorea bonaricnsis, 226, 227 

 Dlplazium zelanicum, 7 

 Diploid, 25, 35 



