no Geographical Handbook of Ferns. 



Acrostichum — continued. 



A. Aubertii, Beav. Hab. : Bourbon, Zambesi ; on the vegetable 

 mould among the dense jungle of Mount Dzomba, alt. 6,500 feet. 

 Fernando Po, alt. 7,000 feet, on the Peak. 



A. dimorphum, Hook. % Orev. Hab. ; St. Helena, on rocks and 

 walls ; on the summit of Diana's Peak ; peculiar to the summit of 

 the little Island of St. Helena. Hook. Sf Qr. Ic. Fil. t. 145 ; and 

 Hook. Second Cent. Ferns, t. 90. $. 



A. viscosum, Swz. Hab. : Bourbon and Mauritius, Seychelles, Co- 

 moro Isles, Johanna Island, Angola ; Fernando Po, alt. 2,000 feet. 



A. spathulatum, Bory. (A. piloselloides, Presl). Hab. : Mascaren 

 Islands ; Madagascar. 



A. succissefolium, Thouars. Hab. : Bourbon and Mauritius ; 

 Tristan d'Acunha. 



A. cinnamomeum. Baker. Hab. : Cameroon Mountains and 

 Clarence Peak, Fernando Po. $. 



A. obductum, Kaiilf. Hab. : Bourbon and Mauritius. $. 



A. tomentosum, Bory. (A. heterolepis, -Fe>.). Hab. : Bourbon 

 and Mauritius, Madagascar. $. 



A. squamosum, Sioz. Hab. ; Bourbon, on trees ; interior of Mada- 

 gascar, Comoro Isles, Johanna Island, Angasilia Island ; West 

 Tropical Africa, Sugar-loaf Mountain ; Cameroon Mountains, 6,000 

 feet. 



A. (Stenochtena) sorbifolium, Linn. Hab. : Bourbon, Mauritius, 

 Madagascar, Comoro Isles, Johanna Island ; Fernando Po, Prince's 

 Island, Eiver Nun, River Niger. 



A. (Steno.) decrescens. Baker. Hab. : Cameroon Mountains. $. 



A. (Steno.) tenuifolium, Baker (A. Meyerianum, Hook?). Hab. ; 

 Mauritius, Madagascar, Nossi-beh. 



A. (Polybotrya) bifuicatum, Swz. Hab. : St. Helena, abundant, 

 on wet rocks and mossy banks, to an alt. of 1,000 feet; Island of 

 Ascension. $. Hook. Second Cent. Ferns, t. 91. 



A. (Aconiopteris) subdiaphanum, Hook. 8,- Orev. Hab. : St. 

 Helena, on trunks of trees, summit of Diana's Peak. $. 



A. (Qymnopteris) Gaboonense, Hook. Hab. : Gaboon River, 

 West Tropical Africa ; Angola, 1-2,400 feet. $. 



A. (Gym.) repandum, Blume. Hab. : Seychelles. 



A. (Gym.) punctulatum, Linn. Hab. : East Tropical Africa, 

 Bourbon and Mauritius, Comoro Isles, Johanna Island ; Nossi-beh, 

 near Madagascar ; West Tropical Africa, Fernando Po, Prince's 

 Island, Guinea Coast ; Angola. $. 



A. (Gym.) virens, WaU. Hab. : Angola, Fernando Po, Sierra 

 Leone, Senegal River. 



A. (Chrysodium) fiuviatile. Hook. Hab. : Guinea Coast, Fer- 

 nando Po, on the banks of the River Niger. $. 



A. (Chrys.) Heudelottii, Hook. Hab. : Sierra Leone, Senegam- 

 bia, Zambesi Land; Manganja country, alt. 3,000 feet, growing in 

 the rocky river bed. $. 



A. (Chrys.) salicinum. Hook. Hab. : Sierra Leone, Fernando 

 Po. $. 



A. (Chrys. ) aureum, Linn. Hab. : Seychelles ; Bourbon, Mau- 

 ritius, Madagascar, Zambesi Land ; Angola, Guinea Coast, Sierra 

 Leone, Fernando Po, Prince's Island, Congo. 



