INDEX. 



477 



OOBOLLA. 



Corolla, removal of, 423 ; perforation 

 by bees, 4'>8 



Coronilla, 407 



Corydalis cava, 331, 358 



lialleri, 331 



intermedia, 331 



lutea, 359 



ochroleuca, 359 



Corydalis solida, 358 



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 



Cruciferie, 98 



Criiger, Dr., secretion of sweet 

 fluid in Marcgraviacese, 407 



Cuphm purpurea, 323, 362 



Cycadesi, 402 



Cyclamen persicum, 215 ; measure- 

 ments, 216; early flowering of 

 crossed, 293 ; seeds, 317, 323 ; 

 self-sterile, 362, self-fertilization 

 injurious, 448 



repandum, 215 



Cytisus laburnum, 362 



D. 



D.mdelion, 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 



DIPSACE^E. 



Darwin, P., structure of Phaseolut 

 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 Candolle, nectar as an excretion, 

 403 



Delphinium consolida, 129; mea- 

 surements, 130 ; seeds, 322 ; par 

 tially sterile, 358; corolli 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 ; anemophi- 

 lous plants, 401; fertilisation of 

 Plantago, 403 ; excretion of 

 nectar, 404, 407; secretion of 

 nectar to defend the plant, 406, 

 407; anemophilous and entomo- 

 philous plants, 411; dioecious 

 plants, 417 



Denny, Pelargonium zonale, 142 



Diagram showing mean height of 

 Ipomcea purpurea, 53 



Dianthus caryophyllus, 132 ; crossed 

 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 



Dictamnus fraxinella, 419 



Digitalis purpurea, 81 ; measure- 

 ments, 84-87; effects of inter- 

 crossing, 85, 299 ; superiority of 

 crossed, 288, 452; self-sterile, 

 363 



Dipsacese, 172 



