598 



INDEX. 



Cunningham, Allan, plants collected 

 by, in various parts of New Hol- 

 land, 338; examined Kingia in its 

 native place, 435 



Cunninghamia, origin of the ovulum 

 in, 458 ; analogy of male and female 

 organs in, 461 ; note on its nomen- 

 clature, 461 



CunoniaccEe, character of the order, 

 and observations on its distribution 

 in Terra Australis, 20 



Cuticular pores (stomata) not found 

 on the surface of the column, peri- 

 anthium, or bractese of RafSesia, 

 377; do not perhaps exist in the 

 imperfect leaves of plants parasitic 

 on roots, ibid. 



Cycadese not found in equinoctial 

 Africa, 149 



Cycadese, plurality of embryos in, 

 known to M. de Mirbel in 1810, 

 573 ; corpuscula within the apex of 

 the albumen of, noticed by Du 

 Petit Thenars in 1804, ibid. ; for- 

 mation of corpuscula in the albumen 

 of, entirely independent of male in- 

 fluence, 575 



Cycadese and Coniferee, on the struc- 

 ture of the female flower in, 453 — 

 461, 568 ; the ovulum naked in, 

 453 ; arguments in favour of this 

 view, 454 ; objections to it, 454, 

 455 ; plurality of embryos in, 455, 

 568 ; opinions of authors regarding, 

 455 — 457; Linnseus, 455; Trew, 

 456; Jussieu, 456; Lambert, 456 ; 

 Salisbury, 456; Mirbel and Schou- 

 bert, 456; Richard, 457; origin of 

 the ovulum, 458-9 ; analogy of 

 male and female flowers in 458 — 

 461; pollen and antherse of, 459, 

 460 



Cycas, origin of the ovulum in, 458 ; 

 analogy of male and femule flowers 

 in, 459 



Cynanchum (Vincetoxicum) nigrum,its 

 pollen masses and their phenomena 

 observed, 529 



Cyperacese, observations on the order, 

 and on its distribution in Terra 

 Australis, 54; further observations 

 on the order, its proportions, geo- 

 graphical distribution, and the spe- 

 cies found in the vicinity of the 

 Congo, 143 ; in Central Africa, 300 



Cypripedium, position of lateral sta- 

 mina in, 499 ; composition of stigma 

 in, 503 ; structure of its flower de- 

 scribed, 561 



Cytinese, a tribe of Rafflesiacese, 411 ; 

 its characters, 438 



Cytinus, nearly related to Asarinse, 

 385; and to Rafflesia, 396; com- 

 pared with Rafflesia, 404 — 410; 

 structure of its ovarium, 404-5 ; 

 mucous tubes of its poUen observed, 

 407-8 ; seeds and embryo, 410 ; its 

 characters, 438 ; characters of 

 species, 428-9 



Cytisus Cajan of the banks of the 

 Congo, probably introduced from 

 India, 159 



Dacrydium, structure of the ovulum 

 in, 455 ; origin of the ovulum, 458 ; 

 analoey of male and female organs 

 in, 460 



Dampier, William, plants brought by 

 him from Shark's Bay and other 

 parts of the W. Coast of New Hol- 

 land, 7 



Datiscese form an order very distinct 

 from Resedaceae, 385 



Dawsonia, character of the genus, and 

 observations on its af&nities, 348 

 —351 



Denham, Major, plants collected by, 

 in Central Ati-ica, 357, 303 



Deviation in number of parts, in some 

 instances derived not from suppres- 

 sion but from confluence, 39 



Dilleniacese, observations on the order 

 and its distribution in Terra Aus- 

 tralis, 12 



Diosoorea of the banks of the Congo, 

 probably a native species, 160 



Diosmese, observations on the order 

 and its disti-ibution in Terra Aus- 

 tralis, 16 



Dissepiment in Cruoiferse, its value in 

 the formation of genera, 269 — 271 



Dracsena Draco, its anatomical struc- 

 ture, 439 



Drummond, Dr. James, his observa- 

 tions on moving particles in the 

 eyes of fishes, 484-5 



East Coast of equinoctial Africa, rela- 

 tion of its vegetation to that of the 

 West Coast, 162 



