Tropical Africa and Islands. 107 



Nephrolepis — continued. 



N. acuta, Pred. Hab. : Mascaren Isles, Galena Island, Comoro 

 Isles, An^asilia, Johanna Island, Seychelles, Madagascar, Mount 

 Kilimaudjaro, Zambesi Land ; Angola, Guinea Coast, Senegambia. 



N. ramosa, Baker (Neph. oblitera, Hook.). Hab. : Tropical 

 "West Africa, Sierra Leone ; Angiama, Lower Niger, climbing on 

 small trees, and adhering to them like ivy — caudices ten feet long. 

 Fernando Po, St. Thomas's Island, Angola, Johanna Island. 



Oleandra. 



O. neriiformis, Cav. Hab. ; Guinea Coast. 

 O. articulata, Cav. Hab. : Mascaren Isles, Seychelles, Guinea 

 Coast, Angola. 



Polypodlum. 



P. (Pheg.) obtusilobum, Bes^. Hab. ; Mauritius and Madagas- 

 car ; Cameroon Mountains, Fernando Po. $. 



P. (Pheg.) Sieberianum, Kaulf. Hab. : Mauritius and Bour- 

 bon. $. 



P. (Pheg.) molle, Roxh. (P. Dianese, .Hbo^.). Hab. : St. Helena, 

 on Diana's Peak, in dense -woods, where it grows 3-5 feet high. $. 



P. (Pheg.) rufescena, Blume. (P. Barterianum, Hook.). Hab. . 

 Fernando Po. 



P. (Pheg.) Mannianum, Hook. Hab. : Fernando Po. $. 



P. (Pheg.) Bojeri, Hook. (P. sessilifolium. Hook.). Hab. . Mau- 

 ritius and Bourbon. $. 



P. (Pheg.) punctatum, Thunb. (P. rugulosum, LabilL). Hab. : 

 St. Helena, Fernando Po, Bourbon. 



P. (Pheg.) Vogelii, Hook. Hab. : Fernando Po. $. 



P. (Pheg.) nigritianum. Baker. Hab. : Fernando Po. $. 



P. (Goniopteris) proliferum, Presl. Hab. : Angola, Zambesi 

 Land. 



P. (Goniopt.) arthrothrix, Hook. Hab. : Madagascar. $. 



P. (Goniopt.) oppositifolium. Hook. Hab. : Peak of Island of 

 St. Thomas, W. Afi-ica, alt. 5,000 feet. $. 



P. (Goniopt.) unitum, Hook. Hab. : Cameroon Mountains. 



P. (Dictyopteris) Cameroonianum, Hook. Hab. : Cameroon 

 Mountains, alt. 3,000 feet. $. 



P. (Dicty.) sparsiflorum. Hook. Hab. : Sierra de Crystal and 

 Old Calabar, West Tropical Africa. 



P. (Grammitis) marginellum, Swz. Hab. : St. Helena, Diana's 

 Peak, Cape Verdes. 



P. multifidum, Bory. Hab. : Bourbon and Mauritius. $. 



P. barbatulum. Baker. Hab. : Bourbon. $. 



P. serrulatum, Mett. Hab. : Madagascar, Mauritius, Guinea 

 Coast. (Xiphopteris Jamesoni, Hook. Second Cent. Ferns, t. 14.) 



P. leucosorum, Bojer. Hab. : Mauritius and Bourbon. Hook. 

 Cent. Ferns, t. 42 and 43. $. 



P. villosissimum. Hook. Hab. : "West Coast of Africa, Sugar- 

 loaf mountains, Sierra Leone ; Island of St. Thomas, alt. 6,000 feet ; 

 and Fernando Po. $. 



P. trichomanoides, Swz. Hab. : Ascension Island, summit of 

 Green Mountain, alt. 2,800 feet. 



P. parvulum, Bory. Hab. : Bourbon, Mauritius, Zambesi Land. 



