264 filices (Carruthers). [Gleichenia 
Prince's Island. — Not infrequent in the mountains called Pico de 
Papagaio ; Sept. 1853. No. 19. 
2 CYATHEA J. E. Smith in Mem. Acad. Turin, v. p. 419 (1793). 
1. C. Welwitschii Hk. Syn. Fil. p. 21 (18G8). 
St. Thomas.— In the natural woods of Monte Gaffe ; in fr. Dec. 1860. 
No. 66. 
2. C. Angolensis Welw. Apont, in Ann. Cons. Ultram. 1858, 
p. 538; Hk. & Bak. Syn. Fil. p. 22. 
Pungo Andongo. — Not infrequent on the humid high rocks of the 
presidium near the brooks, as Funda Quilombo, Catete, etc., not seen 
beyond the limits of the prsesidium. Growing with Musa ventricosa. 
In fr. November and December 1856. Fronds with fully mature 
fructification, Barrancos de Catete ; May 1857. No. 83. 
Huilla. — Very frequent near the banks of the streams in the 
higher regions of Morro de Lopollo. In fr. Jan. I860. No. 186. 
3. ALSOPHILA ft. Br. Prod. Flor. N. Holland, p. 158 (1810). 
1. A. sethiopica Welw. in Hk. & Bak. Syn. Fil. p. 44 (1868). 
Golungo Alto. — In shady places in the natural wood on the 
northern side of Alto Queta. In fr. at the beginning of June 1855. 
No. 116. Somewhat rare in the woods of Quisucula, Bango. Fruiting 
August 1857. No. 116- In the natural woods of Mata de Quisucula ; 
July 1857. No. 128 
4. TRICHOMANES Linn. Gen. PL Ed. ii. p. 504 (1742). 
1. T. pyxidiferum Linn. Sp. PI. p. 1098 (1753). 
Golungo Alto. — Along with Polypodium irioides, on moss-covered 
trunks in the primitive forests, at Mata di Quisucula, near Bango 
Aquitamba. In fr. Aug. 1857. No. 73. 
2. T. radicans Sw. Flor. Ind. Occid. iii. p. 1736 (1806). 
Golungo Alto. — On moist banks near the streams on the high shady 
places of Mata de Quisucula. Without fr. 28 April 1856. No. 74. 
3. T. rigidum Sw. Flor. Ind. Occid. iii. p. 1738 (1806). 
Golungo Alto. — On the shady rocks of the mountains of Serra de 
Alto Queta, above Sange. Without fr. 27 May 1855; with fr. end of 
June 1855. No. 75 
The imperfect fragment (No. 2042) in the British Museum 
is indeterminable. Dr. Welwitsch found it intermixed with 
Selaginella rubricaulis (No. 47) when he was working with his 
herbarium in London. The specimens were found near Capopa, 
Golungo Alto. 
5. DAVALLIA J.E.Sm.in Mem.Acad.Turin.v. p.414(1793). 
1. D. nitidula Kze. in Linmea x. p. 545 (1836). 
Golungo Alto. — Frequent on living trunks of trees, especially of 
palms (Elatis and Raphia) in the dense woods of Serra de Alto 
Queta. In fr. Jan. 1855. No. 146. On trees in the damp woods near 
Sange ; Dec. 18o4. No. 146&. 
2. D. Vogelii Hook. Sp. Fil. i. p. 168 (1846). 
St. Thomas. — On the old stems of palms (Elais), in the humid 
