Fissidens] mosses (Gepp). 289 



20. FISSIDENS Hedw. Fund. Muse. ii. p. 91 (1782). 



1. F. angolensis Welw, et Duby in Genfeve, M6m. Soc. Phys. 

 XXI. i. p. 225. t. iv. fig. 6 (1871). 



GoLUNGO Alto. — On clay foil close to the left bank of the Cuango 

 stream near Sange ; with fr. Dec. 1855. No. 138. On schistose rocks, 

 Monte de Queta ; with fr. March 1856. No. 138*. At the spring of 

 Capopa near Sange, growing on rocks of mica-schist ; with but little 

 fr. Dec. 1855. No. 138c. Among mosses {Racopilum tomentomm, etc.) 

 by the banks of the Cuango stream ; with fr. June 1856. No. 196. 

 Terras de Bumba ; with ripe fr. June 1856. No. 334. 



PuNGO Andongo.— In tufts of Lejeunea on moist ground, also on 

 rotting trunks, in Barranco de Songue ; with fr. middle of May 1857. 

 No, 1136. 



Cazengo.— On muddy ferrugineous soil, at an elevation of 2000 ft., 

 in the mountains of Serra de MuxaAIa by the rivulet of the same 

 name ; with old or fallen fr. Jan. 1855. No. 184. 



The lamina vera of the upper leaves of fruiting specimens of this 

 species is partly marginate. 



2. F. dasyphus Welw. et Duby in Geneve, M6m. Soc. Phys. 

 XXI. i. p. 224. t. iv. fig. 2 (1871). 



GoLUNGO Alto. — Very frequent by the sides of roads and steep 

 mountain-sides, everywhere in wooded places throughout the district, 

 at an elevation of 2000 to 2200 ft., Caminho de Bamba ; with scanty 

 fr. Jan. 1856. No. 137. 



3. F. Welwitschii Duby in Genfeve, Mem. Soc. Phys. XXI i 

 p. 223. t. ii. fig. 5 (1871). 



PuNGO Andongo. — A rather elegant species, found once on dead 

 half -rotten branches of Vellosia, and afterwards sought in vain ; on 

 the more elevated rocks on the westward side of the prsesidium ; with 

 scanty fr. end of April 1857. No. 113. 



4. F. glaueissimus Welw. et Duby in Geneve, Mem. Soc. Phys 

 XXI. i. p. 223. t. iii. fig. 4 (1871). 



GoLUNGO Alto. — Not infrequent in the grottoes of Sobato de 

 Quilombo Qniacatubia ; with fr. July 1855. No. 139. On rocks near 

 Quilombo Quiacatubia ; with fr. July 1856. No. 140- In grottoes of 

 schistose rocks in the primitive woods of Monte de Queta, by the banks 

 of the river Luinha, at an elevation of about 1900 ft. ; with fr. during 

 the cold July of 1856. No. 142. Val da Oedrela ; with fr. July 1856 

 No. 336. AJso Alga No. 142. 



Cazengo. — Interwoven with No. 186 {Anacamptodon fabroni aides), 

 Serra de Muchaula, at an elevation of 2000 ft. ; three specimens one 

 with fr. Jan. 1855. No. 201. 



To this species belongs Fissidens Zenkeri Broth. MS. in Zenker et 

 Staudt's Muse. Bxsicc. No. 570, from Yaunde Station, Kamerun. 



Var. /3 minor Welw. et Duby, I.e., p. 224. 



GoLUNGO Alto. — With a few opercula and calyptras ; seen by 

 Welwitsch in but one place, on mossy rocks in company with tree-ferns 

 {Alsopkila cethiopica Welw.) alongside the streams of Quisucula ■ with 

 fr. July 1857. No. 141. 



5. F. longipes Welw. et Duby in Geneve, M6m. Soc. Phys. XXI 

 i. p. 224. t. iv. fig. 3 (1871). 



