Asplenium] filices (Carruthers). 271 



HuiLLA. — On rocks on the highest ridges of the Serra da Xella : 

 Oct. 1859, June 18G0. No. 195. In rocky thickets of Morro de 

 Lopollo ; Feb. and May 1860. No. 1956. 



12. A. lividum Mett. in Linnsea, xxxvi. p. 100 (1869). 

 Ptingo AxDONcio. — Among rocks north-east of the presidium in 



very shaded places, growing with Cheilanthus W elivitachii ; Dec. 

 1856. No. 89, in part. In fissures of the rocks of Pedra de Cabondo ; 

 Feb. 1857. No. 101. 



13. A. brachypteron Kze. in Linn, xxiii. p. 232 (1850). 

 PuNGo Andongo. — On wet rocks near the Casalale in Barrancos da 



Pedra Songue ; April 1857. No. 92. 



Welwitsch distinguished a form growing with this and collected at 

 the same time, characterised by the pinnae not being so obviously 

 dimidiate and having the segments more deeply pinnatifid. No. 926. 



14. A. Welwitschii Hook, in Hk. & Bak. Syn. Fil. p. 235 (1868). 

 GoLUNGO Alto. — Very rare in the forests of Mata de Quisucula, by 



the streams with species of Begonia and Marattia ; 29 April 1856. 

 No. 100. 



15. A. proliferum Lam. Encyc. Meth. ii. p. 307 (1786). 



A. decussatimi Ser. in Schrad. Journ. Bot. ii.for 1800,p. 51 (1801). 



St. Thomas's Island. — In the primitive forests near Fazenda de 

 Monte CafEe, about 2500 ft. ; with fr. Dec. 1860. No. 60- Sub-arbo- 

 rescent, the stem about as thick as the corm, usually 2 in. in diameter, 

 rising only a little above the ground ; fronds 3 to 4 ft., rarely longer. 



14. ACTINIOPTERIS Link, Fil. Sp. Hort. Berol. p. 79 (1841). 



1. A. radiata Link, I.e., p. 80 (1841). 



PuNGO Andongo. — In sunny rocky places of the prsesidium ; Dec. 

 1856, Jan. and April 1857. No. 78. 



Of all the smaller ferns which Welwitsch saw in Tropical Africa 

 this he considered the most elegant ; scarcely 3 or 4 in. high, caespitose, 

 somewhat rigid, and where seen very rare. 



Bumbo. — Not infi-equent in rocky thickets not far from Chao da 

 Xella, half way up the Serra da Xella. Never seen in the plains of 

 HuiUa. Oct. 1859. No. 163. 



2. A. australis Link, I.e., p. 80. 



PuNGO Andongo.— On the gneissic, bare, but humid rocks of the 

 praesidium, frequent but only at Barrancos de Catete ; Dec. 1856. 

 No. 79. 



Probably a few lobed variety of A. radiata. 



15. DIDYMOCHL^NA De.sv. in Gesellsch. Nat. Freunde Berlin 

 Mag. V. p. 303 (1811). 



D. sinuosa Desv., I.e., (1811). 



D. squamata Desv. Journ. Bot. vol. vi. p. 282 (1827). D. 

 lunulata De.sv. Journ. Bot. vol. vi. p. 282 (1827). 



St. Thomas's Island. — ^In the bushy woods of Monte Caffie at an 

 elevation of 2500 to 2800 ft. In fr. Dec. 1860. No. 67. A sub- 

 arborescent form with fronds 3 to 4 ft. long. 



16. NEPHRODIUM Rich, in Marthe, Cat. Jard. Med. Paris, 

 p. 120(1801). 



