INDEX. 



609 



De Candolle on Brassicas, 210 ; on colours, 

 119; on grafting Oleaceous plants, 406; 

 on temperature, 13. 



De Clos on hybrid Pinks, 235. 



Deheian and Landrin on seed growth, 



Delphinium formosum, 98; varieties of, 

 515. 



Denny on cross-breeding Pelargoniums, 

 124; on crossing Pelargoniums, 322, 

 323; on male prepotence, 120; on sud- 

 den impregnation, 116. 



Deutzia, seedlings of, &c., 441. 



Dianthits barbatus-superbus, 235 



Dianthus deltaides, insect-fertilisation of, 

 142; fertility of cross-bred seedlings of, 

 102;. origin of some cultivated, 231. 



Dielytra family, 312. 



Digitalis (Foxgloves), hybrid, 102; hybrids 

 of, 532. 



Dimorphic flowers, 117. 



Dioacious : a term applied to species which 

 bear male and female flowers i.e., male 

 and female organs in separate flowers 

 on different plants, as in Aucuba, Garrya, 

 &c., 15. 



Dioecious and monoscious plants, 100; 

 hybridisation of, 15. 



Dionsea, 281. 



Diospyrus, graft -increase of, 590. 



Dipladenia hybrids, 188; grafted cuttings 

 of, 85. 



Diptera, pollen-eating, 144. 



Disa grandiftora, 419. 



Division as a means of reproduction, 43 ; 

 propagation by, 43. 



Dodecatheon, 450; seeds, germination of, 



45 1 - 



Dog_wood family, 268. 

 Dolichodeira, 337. 

 Dominy's hybrid Orchids, 421. 

 Don on hybrid Begonias, 201. 

 Double-grafting, 69 ; early records of, 60. 

 Douglas on Vine-grafting, 570. 

 Draba violacea, 153. 

 Dracaena, 365; hybrid and seedling, 366, 



367; ringing of, &c., 584. 

 Dragon-trees, 365. 

 Drainage for cuttings, 53. 

 Droseraceae, 281. 

 Drosera, 282 ; how to increase, 47 ; rotun- 



difolia, 144. 



Drupaceous family, 457. 

 Dubreuil on stocks and soils, 71. 

 Duncan on pollen-tubes, 113. 

 Duplication of embryos in the Orange, 



66. 



Dwarfing stocks, n. 

 Dyer on immediate or direct influence of 



foreign pollen, 104 ; on the forms of Lily 



fruits, 103. 



EBENACE^E, 282. 



Eccremocarpus, seeding of, 208. 

 Echeveria, hybrids and seedlings of, 273. 

 Echinocacti, seedling, 219. 

 Ehretiaceae, 283. 



Elective atfmity, Gaertner on, 236. 

 Electricity and hybridity, 151, 193. 

 Elm family, 559; stocks for propagation 

 of, &c., 559. 



Emasculating the flower, no. 

 Emasculation, no, in, 148. 

 Embrothrium coccineum, increase of, 457. 

 (This plant ripens seed which grows 



readily). 

 Embryo of Hymeuocallis, 130; duplication 



of, 65. 



Embryonic grafting, 65. 

 Epacridacese, 302. 

 Epacris family, 302. 

 Epidendrum einnabarinum, 105. 

 Epimedium hybrids, 207. 

 Epiphyllums, best stocks for, 225 ; hybrid, 

 222, 223; seedling sorts of, 224; stocks 

 for, 224. 



Eranthemum, 168. 

 Erica tetralici-eiliaris (Syme), 288. 

 (Near Penryn, W. Cornwall, Mr J. Cun- 

 nack found this abundantly in 

 ^74-75 '> a l so another apparently 

 hybrid form with a corolla as large 

 as in Dabeocia polifolia. Jour, of 

 Bot, p. 281.) 



Ericas, 288; fertilisation of, 289; fertility 

 of cross-bred kinds of, 102; list of 

 hybrid, 290; new hybrid, 291. 

 Eriobotrya japonica, 475; stocks for, 86. 

 Eriostemon, 522. 

 Erythrina hybrids, &c., 433. 

 Eugenia (Psidium), 400. 

 Euonymus japonicus (see Rhamnaceae), 

 520. 



(This plant succeeds well grafted on E. 

 europ<zus as a stock, and is so pro- 

 pagated by Messrs C. Lee & Son, who 

 find that, so treated, it grows more 

 freely than when grown on its own 

 roots). 



Euphorbiacese, 303. 

 Evening Primrose family, 408. 

 Eye or bud grafting, 67. 

 " Eyes," 49, 50. 



FAIRCHILD on the influence of scion and 

 stock, 64. 



Farrer on Leguminosse, cross-fertilisation, 

 &c., 142. 



Fecundation, artificial modes of, 134; ar 

 tificial, references to papers on, 148. 



Felices, 307. 



Fenn on Potato-grafting, 547. 



Fern family, 307; supposed hybridity of, 

 307 ; variation in, 310-312. 



Fertilisation, artificial modes, 134 ; arti- 

 ficial, 148; by the wind, 137; how 

 effected, 114; imperfect or partial, 129 

 of Coniferae, 114; when possible, 116. 



Fertility induced by cross - fertilisation 



100. 



Ficus, ornamental kinds, a good stock for, 

 86; grafting, stocks for, &c., 397; root- 

 grafting, 582. 



Fig, common, as a stock for Ficus elastica, 

 86; family, 396; Marigold family, 395; 

 roots as stocks for Ficus elastica, 582. 



Fir and Pine family, 257. 



Fish on stocks for Epiphyllums, 225. 



Fixation of varieties, Carriere on, 125. 



Flax family, 377. 



Fleming on seedling Pine-Apples, 216. 



Flowers, emasculation of, no, in; im- 



2 Q 



