N'cevia] i. discolichenes (Wainio). 451 



MossAMEDES (0 ad 1000 ped. s. m.). — Ad caules ZygophylU orhlculati 

 Welw. prope Mossamedes. No. 423. 



4. N. Benguellensis Wain., sp. n. 



Thallus parum distinctus, circa apothecia ex hyphis nigri- 

 cantibus formatus, gonidiis destitvxtus. Apothecia sat dispersa, 

 irregulariter ellipsoidea, long. 1-3 ad 0-7, latit. 0'7 ad 03 mm., 

 emergentia, disco nigro, nude, leviter convexo. Hypothecium et 

 epithecium et lamina tota apothecii olivaceo-smaragdula. Hyme- 

 nivim jodo persistenter ca3rulescens. Asci clavati, long. circ. 0*030, 

 crass. 0*010 mm., parte superiore prsesertimque apicem versus 

 membrana incrassata. Sporse Snse, distichre, decolores, ovoideo- 

 oblongse, long. 0*009 ad 0*012, crass. 0*003 mm., 2-septatee. 



Benguella. — Ad lignum sepium in ipsa urbe Benguella. No. 20. 



11. PYliENOLlCHENES. 



1. ENDOCARPON Hedw. 



1. E. pusillum Hedw., Descr. Muse. ii. fasc. 2 (1788), p. 5G. 



Dermatocarpon Arn., Lich. Jur. p. 239, Licli. Tirol xxx. p. 34. 

 Verrucaria GarovagUi (Mont.) Nyl., Lich. Angol. p. 14. Thelo- 

 trema SchcBreri Hepp, Flecht. Eur. n. 100. 



GoLUNGO Alto. — Ad terram arenosam juxta margines sylvse in 

 monte Cungulungulo (2500 ped. s. m.) plagas latas obtegens sat 

 frequenter obvenit. No. 55. 



Specimina determinabiha non vidi. 



2. THELENELLA (Nyl.) Wain. 



1. Th. (subg. Meristosporum sect. Phloeobathelmm) purpnrina 

 (Leight.) Wain. 



Trypethelium purpurinuin Leight., Lich. Amaz. p. 459. Baihe- 

 lium Miill. Arg., Lich. Afr. Occ. p. 45. 



Corticola secus flumen Quillu leg. Pechuel-Loesche, teste Miill, 

 Arg., Ic. 



2. Th. (subgen. Euthelenellasect. J/Jwo(//fe?2a)fulva Wain., sp. n. 

 Thallus sat tenuis aut mediocris, pulchre fulvescens, continuus, 



.sat Ifevigatus aut verrucoso-inEcqualis, nitidiusculus, hypothallo 

 parum distincto. Apothecia vei'rucas 1*5 ad 1 mm. latas, mammaj- 

 t'ormes, basi havid constrictas, strato thallino thallo concolore 

 late obductas, vertice 0*4 ad 0*6 mm. lato denudato, nigricante 

 aut primum cinerascente, umbonato aut demum applanato in- 

 .structas formantia, solitaria aut rarius parce confluentia. Peri- 

 thecium globosum, fuligineum, integrvim. Nucleus jodo non 

 reagens, gonidia hymenialia non continens. Pai-aphyses increbre 

 ramoso-connexse. Sporaj 4na), decolores, oblonga}, apicibus rotun- 

 datis, mui'ales, cellulis numerosissimis, halone induta;, long. circ. 

 0*190 ad 0*220, crass. 0*030 mm. Gonidia chroolepoidea. Stratum 

 corticalo thalli amorphum, bene evolutum. 



GoMNGo Alto. — Ad Citmm Medlcam silvestrem prope Mata 

 •Quisuculo. No. 230. 



Affinis sit T/i. (IvpHnaicciiti (Nyl.) Wain. (Nyl., Lich. Andam. p. 19). 



