INDEX. 



477 



COROLLA. 



Corolla, removal of, 423 ; perforation 

 by bees, 428 



Coronilla, 407 



Corydalis cava, 331, 358 



halleri, 331 



it iter media, 331 



lutea, 35!) 



ochroleuca, 359 



Corydalis solida, 35S 



Corylus avellana, 390 



Cowslip, 219 



Crinum, 396 



Crossed plants, greater constitu- 

 tional vigour of, 285 



Cross-fertilisation, 371 : see Fertilisa- 

 tion. 



Crossing flowers on same plant, 

 effects of, 297 



Crueiferx, 98 



Criiger, Dr., secretion of sweet 

 fluid in Marcgraviacex, 407 



Cuphea purpurea, 323, 362 



Cycadex, 402 



Cyclamen persicum, 215; measure- 

 ments, 216 ; early flowering of 

 crossed. 293; seeds, 317, 323; 

 self-sterile, 362, self-fertilization 

 injurious, 44S 



repandum, 215 



Cytisu* laburnum, 362 



Dandelion, number of pollen-grains, 

 377 



Darwin, C., self-fertilisation in 

 Pisum sativum, 161 ; sexual affini- 

 ties, 209 ; on Primula, 219 ; bud 

 variation, 298 ; constitutional 

 vigour from cross parentage in 

 common pea, 305; hybrids of 

 Gladiolus and Cistus, 306 ; Pha- 

 seolus multiflorus, 360 ; nectar 

 in orchids, 407 ; on cross-ferti- 

 lisation, 440, 442, 443; inheri- 

 tance of acquired modifications, 

 451 ; change in the conditions of 

 life beneficial to plants and 

 animals, 459 



DIFSACEiE. 



Darwin, F., structure of Phaseoltu 

 multiflorus, 150 ; Pteris aquilina, 

 405 ; on nectar glands, 406 ; per- 

 foration of Lathyrus sylvestris, 

 432 



, G., on marriages with first 



cousins, 465 



Decaisne on Delphinium consolida, 

 129 



De Candollc, nectar as an excretion, 

 403 



Delphinium consolida, 129; mea- 

 surements, 130; seeds, 322; par- 

 tially sterile, 358 ; corolla re- 

 moved, 423 



Delpino, Professor, Viola tricolor, 

 123; Phaseolus multiflorus, 150; 

 intercrossing of sweet-pea, 156 ; 

 Lobelia ramosa, 176; structure 

 of the Cannacex, 230 ; wind and 

 water carrying pollen, 372 ; 

 Juglans regia, 391 ; auemophi- 

 lous plants, 401 ; fertilisation of 

 Plantago, 403 ; excretion of 

 nectar, 404, 407 ; secretion of 

 nectar to defend the plant, 406, 

 407; anemophilous and entomo- 

 pliilous plants, 411; dioecious 

 plants, 417 



Denny, Pelargonium zonule, 142 



Diagram showing mean height of 

 Ipomaea purpurea, 53 



Dianthus caryophyllus, 132; cross d 

 and self-fertilised, 133-136 ; mea- 

 surements, 135-138; cross with 

 fresh stock, 136 ; weight of seed, 

 139; colour of flowers, 139; re- 

 marks on experiments, 263, 274 ; 

 early flowering of crossed, 292 ; 

 uniform colour of self-fertilised, 

 309 ; seeds, 316, 319, 323, 325 ; 

 few capsules, 360 



Dickie, Dr., self-fertilisation in 

 Cannacex, 230 



Diotamnus fraxinella, 419 



Digitalis purpurea, 81 ; measure- 

 ments, 84-87; effects of inter- 

 crossing, 85, 299 ; superiority of 

 crossed, 288, 452 ; self-sterile, 

 363 



Dipsacex, 172 



