316 HEPATics (Stepliani). [Plagioohila 



with various mosses covering rotting trunks in dense woods, Novo 

 Destine; Dec. 1860. No. 266. 



G-OLUNGO Alto. — A mere scrap with Pilotricliella Wehmtschii (No. 

 U5), Cungulungulo.'Feb. 1855. No. 269. 



16. FRULLANIA Eaddiin Mem. Soc. Mod. xviii. p. 20 (1820). 



1. F. ai^ulata Mitt, in Joum. Linn. Soc. vii. p. 169 (1864). 

 GOLUNGO Alto. — With Eidejeuma isomorpha, Cungulungulo ; Feb. 



1855. No. 222. Dark purple, or purplish green, springing from the 

 branches of evergreen trees in company with mosses (Pilotrichella, 

 etc.) and fruticulose lichens, and then forming long hanging beards 

 4 to 8 in. in length and very tangled. Dioicous. Involuoel large, 

 deeply triquetrous (i.e., with the angles exceedingly prominent), with 

 rostrum straight and rather obtuse, at length split into three almost 

 regularly. Very common on trees in the most elevated woods of 

 Cungulungulo at an altitude of about 2500 to 2700 ft. above sea level ; 

 Feb. 1855. No. 285- 



2. F. diptera G. L. et K Synops. Hep. p. 420 (1845). 

 GoLUNGO Alto. — Rare on bark and sterile in Alta Queta; Jan. 



1856. No. 279. 



Cazexgo. — On old living trunks in elevated parts on the mountain 

 chain called Muxaiila; June 1855. No. 286. 



3. F. spougiosa Steph. in Hedwigia, xxxiii. p. 147 (1894). 

 GoLUNGO A]/['0. — Interwoven with Sohlotheim/a rugifoUa (No. 132), 



on a lofty Morus in eastern Queta near Sange; Dec. 1854. No. 278- 



4. F. squarrosa Nees in G. L. & N. Synops. Hep. p. 416 (1845). 

 Ambeiz. — Among tufts of CoUema in rocky woods between Ambriz 



and Quizembo; Nov. 1853. No. 262. 



GoLUNGO Alto. — On roots or rhizome of Orehidece growing on 

 Giganthemum scandens, MataiVirgem de Quibanga ; with abundant fr. 

 No. 282. On old trunks of Admisonke near Sange ; 17 Feb. 1856. 

 No. 292. Common on the bark of species of Ficiis, near Sange ; with 

 fr. Dec. 1855. No. 297. On trunks of Pseudoyjoiidias microcarpa in the 

 dense woods of Sobato Mussengue ; with fr. beginning of Jan. 1856. 

 No. 301. On Treculia africana ("Dizanha"), near Ndelle ; Jan. 1856. 

 No. 302. With Strepsilejeunea pluripUcata on rather old trunks in Mata 

 de Quisucula near Bango; Jan. 1856. No. 305. Common on aerial 

 roots of Orehidece parasitic on Giganthemum scandens, Mata virgem 

 de Quibanga ; with fr. Jan. 1866. No. 313. Rather rare on the bark 

 of the tree Musubiri {Myrianthus arboreiis), Zengas do Queta ; March 

 1856. No. 316. On the aerial roots of Orehidece growing on the 

 branches of Adansonia near Sange; Dec. 1855. No. 333. 



5. F. trinervis G. L. et N. Syn. Hep. p. 427 (1845). 

 GoLTJNGO Alto.— Mata deQuisucula,near Bango; Feb.1855. No. 315. 



6. F. (Traohyeolea) Welwitschii Steph. sp. n. 



Dioicous? Plant rather small, blackish purple, longly and 

 widely expanded on bark. Stem up to 4 cm. long, with a few 

 long branches at base; branches shortly and densely pinnate. 

 Leaves crowded, widely cordate-ovate, at apex truncato-rotundate 

 somewhat decurved, at the antioal base rotundate or a little 

 lobulate, at the back not overlapping the stem. Leaf-cells, 

 marginal 17 /*, median 17 by 25 m, at the very base 25 by 40 fi, 



