Aaplmitvm | pilioes (< !arrui bei | _ « ! 
Id [lla. — On rocks on the highest ridges of the Berra da Sella 
Oct. 1859, June 1860. No. 195. [n rooky thickets of Morro de 
Lopollo : Feb. and May I860. No. 195/-. 
12. A. lividum Mett. in Linnaea, w.wi. p. 100 (1869). 
Pttngo Andongo. Among rocks oorth-east of the presidium in 
vi i V shaded places, growing With ( '//. i 1 la 11 llm J II ', I in /-.,-/,,, ; I I. , 
1856, No. 89. in part. In fissures of the rocks of Pedra de Cabondo ; 
Feb. 1857. No. 101. 
13. A. brachypteron Cze. in Linn. .wiii. p. 232 (1850). 
Pungo Andongo, On wet rocks near the Casalale" in Barrancosda 
Pedra Songue; April 1857. N". 92. 
Welwitsch distinguished a form growing with this and collected at 
tlic same time, characterised by t Ix ■ pinna' Dot being BO obviously 
dimidiate and having the segments more deeply pinna tifid. No. 92'<. 
14. A. Welwitschii Book, in Ilk. a- Bak. Syn. Fil. p. 235(1868). 
GOLUNGO ALTO. — Very r.-ire in the forests of Mat i de Quisucula, by 
the streams with species of Begonia and Marattia ; 29 April 1856. 
No. 100. 
L5. A. proliferum Lam, Encyc. Meth. ii. p. 307 (1786). 
A . decussatwm Ser. in Schrad. Journ. Bot. ii.for 1 800, p. 51(1 801 ). 
St. Thomas's Island. -In the primitive forests near Fazenda de 
Monte Caff ■■. about 2500 ft. ; with IV. Dee. I860. 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 t ft . rarely longer. 
1 1. ACTINIOPTERIS Link, Fil. Sp. Eort. Berol. p. 79 < L841 ). 
!. A. radiata Link, I.e., p. 80 (lsi 1 ). 
Pungo Andongo.- In sunny rocky places of the presidium; Dee. 
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 1 in. high, caespitose, 
somewhat rigid, and where seen very rare. 
I!t mbo. — Not infrequent in rocky thickets not far from Chad da 
Xella, half way up the Serra da X .lla. Never seen in the plains of 
Builla. Oct. 1859. No. 163. 
2. A. australis Link, I.e., p. 80. 
PUNGO ANDONGO. — On the gneissic, bare, but humid rocks of the 
presidium, frequent but only at Barrancos de Catete ; Dee. 1856. 
No. 79. 
Probably a few lobed variety of .1. radiata. 
15. DIDYMOCHL^NA Desv. inGesellsch. Nat. Freunde Berlin 
Mag. v. p. 303 (1811). 
D. sinuosa \u-sw. I.e., (1811). 
//. aquamata Desv. Journ. Bot. vol. vi. ]>. 282 (1827). D. 
Iv/mdata Desv. Journ. Bot. vol. vi. p. 282 (1827). 
St. Thomasb Island. In the bushy woods of Monte Caff 6 al an 
ele-. at urn of 2500 to 2800 ft. In fr. Dec. L860. No. 67. A sub 
arborescenl form with fronds 3 to 4 ft. long. 
16. NEPHRODIUM Rich, in Marthe, Oat. Jard. Med. Paris, 
p. 120 (1801). 
