A^ephrgdium] filicbs (Carruthers). 273 



9. N. variabile Hook. 8p. Fil. iv. p. 140 (1862). 



Aspidium speciosuin Melt, in Ettingsh. Farnkr. p. 180 (1865). 

 N. Vogelii Hook., I.e., p. 130. 



GoLUNGO Alto. — By the banks of rivulets near Zengas do Queta. 

 July 1866. Nos. 106, 107. 



Dr. Welwitsch considered this to be a trifid variety of the previous 

 species. It may easily be distinguished by the triangular outline of 

 the lower pinnae, in ■which the pinnule of the lower side is not 

 abnormally large, so that the outline of the frond is deltoid acuminate 

 or somewhat five-angled. It is very polymorphic. Young specimens 

 in No. 107 are the form named by Hooker N. Vogelii. 



10. N. unitum R. Br. Prod. Fl. Nov. Holl. p. 148 (1810). 

 PuNGO Andongo. — Frequent on the banks of the Cuanza between 



Condo and Quisonde, etc. A gregarious fern with creeping rhizomes 

 4 to 12 ft. long, erect fronds ; sometimes floating on the water ; in fr. 

 March 1857. Very frequent on the shores of the island Oalemba, 

 March 1857. On the banks of the Cuanza, near Candumba. Jan. 1857. 

 No. 111. 



GoLTiNGO Alto. — Frequent, but only in one place, on the marshy 

 margins of the Casaballa in Sobato de Bumba, along with orchids 

 and species of Nauclea. 22 Oct. 1855. No. 112. 



Cazengo. — In marshes with Cyperus and Papyrus around Lagoa d'e 

 Moembexe, near Dalatando ; June 1855. No. 114. 



11. N. venulosum Hk. Sp. Fil. iv. p. 71 (1862). 



Pkince's Island. — In very dense woods from the sea-shore to 

 1000 ft.; frequently 3 to 7 it. high ; Sept, 1853. No. 21. 



GoLUNGO Alto. — In spongy marshes on the banks of the Quiapose, 

 near Canguerasange, close to the chief's residence.'near the spring on 

 the right bank; Oct. 1854. No. 117. Near the streams in the primitive 

 forests of Sobato de Quilombo Quiacatubia, in the locality where 

 Shipsalis is found ; Jan. 1855. No. 118. In the primitive forests of 

 Quisucula ; 9 Sept. 1855. No. 118b. 



12. N. moUe Desv. Mem. Soc Linn. Paris, vi. p. 258 (1827). 

 Polypodium molle Jacq. Collect, iii. p. 188 (1789). 



Sierra Leone. — Near Freetown in shady woods, frequent ; Sept. 

 1853. No. 4. . 



St. Thomas's Island. — In dense primitive forests beside rivulets, 

 near Novo Destine ; in fr. Dec. 1860. No. 61. By rivulets in rocky 

 places near Monte Oaffe' ; Dec. 1860. No. 65. 



GOLTJNGO Alto. — On the banks near waterfalls of the river Ouango ; 

 in fr. early in Aug. 1855. No. 122. On the densely grassy margins 

 of the rivulet Quiapoze, near Sange, with Pteris angustifrons, but not 

 frequent ; April 1856. No. 129. Sparingly on the banks of the 

 rivulet Muria ; 18 Sept. 1854. No. 1296. At the public fountain in 

 Banza de Bango, with Anthoceros and Marchantia ; 7 Sept. 1855. 

 No. 129c. In the woods of Sobato de Quilombo Quiacatubia ; July 

 1855. No. 1306. 



HuiLLA. — In shady woods of Parinaria Nocha, in moist places, 

 flooded in summer. Lopollo, Feb. 1860. No. 196. 



13. N. hippocrepis Desv. in Mem. Soc. Linn. Paris, vi.p.259(1827). 

 Polypodiwm hippocrepis Jacq. Collect, p. 186 (1789). JPolypo- 



diwm dcutanum Linn. Syst. Nat. ed. x. p. 1326 (1759). Nephro- 

 diirni cicutarium Baker, Syn. Fil. p. 299 (1868). 



