Die auf der Expedition der Gazelle von Dr. Naumann gesammelten ^•'lecliteii. 57 



sed lirellae graciliores, minus lurgide Ihallino-tectae, sporae in aseis soli- 

 tariae et crebrius parenchymaticae. — Corlicola in insula Fijiana Vili 

 Levu. 



Opegrapha (s. Solenotheca) symbiotica Müll. Arg. Thallus 

 cinereo-flavicans, tenuiter lartareus, leviter rugulosus, denmm rimulosus, 

 margine linea fusco- nigra cinctus; apothecia imraersa, superficiem thalli 

 fere omnino attingenlia, denium 2/5 nfi™- la^^a? vulgo niinora, orbicularia v. 

 leviter anguloso-orbicularia, in areolis solitaria. non confluentia nee seriata. 

 denmni thallo lumente subdistincte spurie marginala; discus planus, e 

 livido-nigrescente mox nigrefaclus, opacus, nudus; marginis proprii late- 

 rales et valde tenues, fuscl. tola altitudine laminae evoluti: hypotheciuin 

 niediocriter erassum aut tenue, fuseuni, subinde fere nulluni aut ceutro 

 tantuni lale evolulum ; lamina unius ejusdemque apothecii dupliciter fer- 

 tilis, simul peripherice copiose hyphidii- (spermatii-) gera et caeterum 

 centro lale ascosporophora ; hyphidia oblonge- ellipsoidea , microgonidia 

 4 continenlia, 3Y2 — 4 [x longa; asci inter paraphyses arcte connexas an- 

 gusli, subcylindrici, 8-spori; sporae hyalinae, 4-loculares, 13 — 15 »x 

 longae et 3 — ^^/i}*- latae, fusiformes, utrinque subaculae. — Species prae- 

 sentia hyphidioruni in lamina sporophora insignita est. — Corlicola in 

 insula Vili Levu. 



Opegrapha s. Rot u 1 n) mela nophl h a Ima Müll. Arg. L. B.. 1883, 

 foliicola in Nova Guinea. 



Coenogonium confervoides iXyl. in Ann. Sc. nat. ser. 4 vol. i\. 

 p. 242, ad truncos muscosos in insula Amboina. 



Dictvonema sericeum Monten. in Bei. Voy. aux Indes Orient, 

 p. 159, vulgalissinium ad truncos in silvls humidis montanis insulae Neu- 

 Hannover. 



Dictyonema laxum Müll. Arg. Thallus laxe caespilose indefinite ex- 

 pansus, nee in laminas suborbiculares aut semiorbiculares subliberas ex- 

 crescens; filamenta superficiei copiose fasciculatim conglutinata, fasciculi 

 longiusculi, aeruginosi, e filamentis aeruginosis et hyphis subhyalinis for- 

 mati, apice albido v. subflavescenti-acuminali et ibidem filamentis tanluni 

 hyalinis constituti, superne nonnihil virgatim lacero-divisi, ramuli sensim 

 attenuali. Apothecia ignota. — Planta Crescendi modo et thallo laxe contexto 

 distincta, sed elementa constitutivi ab iis D. sericei et D. membranacei non 

 differunt. Hyphae opLiatae, septatae, patenter dichotome ramosae , hya- 

 linae; filamenta oscillatorialia 15(xlata, arliculis duplo et ultra latioi'ibus 

 quam longis , cum filamentis hyphinis involventibus circ. 20 [x lata aut 

 pauUo tenuiora. — Corlicola in insula Neu-Hannover. 



Porina praestans (Nyl.) Müll. Arg. Lieh. Afric. occid. n. 44, cum 

 sequente foliicola in Nova Guinea. 



Porina multiseptata Müll. Arg. Thallus tenuissimus, argillaceus, 

 instralus, inlricatim cellulosus. juvenilis lamen ad instar Phyllactidii 



