734 



INDEX OF SUBJECTS. 



names Protea and Leucadendron, 

 34; — 31 : characters and descrip- 

 tions of the order, its genera and 

 species, 32 — 192; type of the 

 pistillum, and its reductions in, 272 



Radioula, its direction in Proteaceae 

 uniformly pointing towards the base 

 of the fruit, 20, 23, 24; relation of 

 its direction to ovulum and to ovary, 

 313-4 



Rafflesia, all the three known species 

 shown to be disecious, 724 



Restiaoese, order of reduction of sta- 

 mina in, 278 



Richard, Achille, names of species of 

 Hydrocotyle, contributed to his 

 'Monographic,' 706 



Richard, Louis Claude, names of 

 species of Coniferse, contributed to 

 his ' Commentatio,' 707 



Richardson, Dr., extracts from his 

 botanical appendix to the narrative 

 of a journey to the shores of the 

 Polar Sea, by Captain Franklin, 

 and addenda, .511—527 



Royle, Dr., observations on Incar- 

 villea, from his 'Botany of the 

 Himalayan Mountains,' 725 



Rubiaoeae, difficulty of circumscribing 

 the order, 195 ; aestivation of corolla 

 in, 269 note 



Sabine, Joseph, contributions to his 

 'Account of the Edible Pruits of 

 Sierra Leone,' 715 



Sarcostigma, affinities of the genus, 

 651-2 



Scabiosa, inflorescence of certain spe- 

 cies of, 278 ; order of expansion of 

 flowers in, ibid. 



Seeds, non-existence of naked, 21 ; 

 dispersion of, in Polytrichoidese, 

 how secured, 335, 340-1 



Sexes, in the separation of, in flowers, 

 the female the more perfect, 279 ; 

 and the earliest developed, ibid.; 

 exceptions to, 279, 280 



Solander, Dr., his description of 

 Knightia given as a specimen of the 

 accuracy with which he described 

 specimens of natural history, 163 



Soliva, history, characters, and extent 

 of the genus, 282 



Spike, order of expansion of flowers 

 in a simple and in a compound, 

 273 



Spiral vessels of Nepenthes, 358-9 



Stamina and pistilla, importance of 

 attending to their state before the 

 expansion of the flower, 5 ; order 

 of reduction of stamina in various 

 families, 278 ; order of development 

 of stamina and pistilla, 281 ; origin 

 of glandular disk in various families 

 from inperfect stamina, 317-8 ; ob- 

 jections to this view, ibid. 



Sterouliaceae, history of the family, 

 613 — 631 ; observations on the 

 relative importance of the differ- 

 ent organs in the formation of 

 genera in, 621 — 624; direction of 

 embryo in, 621 ; monograph of, 611 

 —644 



Stigma, in Proteacefe, its form and 

 direction, 20, 21 ; in Asolepiadese, 

 its development, 196 — 198 ; dispo- 

 sition of stigmata in Compositse, 

 370 ; nature of the indusium in 

 Brunonia and Goodenoviae, 312 



Stokes, Mr. Charles, notice on partly 

 petrified wood, in his paper on the 

 subject, 720 



Style, its utility in the generic cha- 

 racters of Proteaceae, 20 ; cohe- 

 rence of its base with the apex 

 of the tube of the calyx in Boopi- 

 deae, 315 



Stylideae, position of stamina in, 312 



Tiliaoeae, gradually pass into Butt- 



neriaceae, 646 

 Traill, contributions to his 'Account 



of the genus Hoya,' 715-6 

 Tridax, history of the genus, 283 



UmbelliferEe, surface of the pericar- 

 pium in, 267 note ; order of expan- 

 sion of flowers in, 273 note 



Vestia referred to Solaneae, 683 



Wallich, Dr., account of a new sub- 

 genus and species of Hedychium, 



