317 
limitatus; gonidia concatenata;' peridia collectiva subanguloso- 
orbieularia, nano-hemisphaerica, evoluta ‘=. mm. lata, novella 
albido-velata, mox denudato-nigra et opaca, prominenter pluri- 
gibbosa, in sectione erassa nigro-fusca, quoad laminam e plu- 
ribus compositam undique cum hypothecio hyalina; asei 8-spori;. 
sporae biseriales, mox infuscatae, 25—30 y longae et 9—11 y 
latae, paullo soleaeformiter biloculares, loeulus inferior reliquo 
leviter longior et angustior. — Extus fere Mycoporum pycnocar- 
pum Nyl. simulat, sed thallus albior et sporarum structura om- 
nino alia, — Corticola in Brasiliae pruv. Minas Geraes: Glaziou. 
1057. Verrucaria aelhiobola Ach. var. peregrina Müll, Arg.; 
apothecia in thallo alieno sita, subglobosa v. nonnihil depresso- 
globosa, "/,—!/, ınm, lata, nigra, opaca, vertice nitida et demum 
minute umbilieata, eirciter triente v. fere dimidio basi immersa; 
perithecium completum, parte emersa olivaceo-nigruu, subgrosse 
cellulosum, parte immersa hyalinum aut: leviter obfuscatum ; 
nucleus hyalinus; paraphyses indistinetae; asci -elongato-obovoi- 
dei, superne paullo angustiores, eximie hyalini, 8-spori; sporae 
hyalinae, simplices, elongato-ovoideae v. -ellipsoideae, 16—22 x 
longae et 6—8 u latae. —In {hallo granuloso olivaceo-viridi alie- 
no quercigeno eirca Cologny prope Genevam (Callopismalis cerini 
et aliorum Lichenum crustac.), ubi in muri subcontigui mortario 
planta genuina Verrucariae aethiobolae observari et in trunco 
quereino substratum (gonidiis normalibus, haud chroolepoideis) 
et dein fertile recognosci potuerunt et ubi simul aderat Buellia 
urceolala 'Th. Fries arct. p. 233, s. Lecidea sociella Nyl, a qua 
non differt L. parasitastar Nyl. in Flora 1875 p. 105 (a cl. Rome 
lecta). 
1058. Porina (s. Segestrella) ferruginosa Müll. Arg.; thallus 
fulvo-argillaceus, tenuis, demum decolorando- cinerascens; ıninute 
rimulosus; gonidia chroolepoidea, apothecia globosa, semiim- 
mersa, = “ mm. lata, praeter apivem exiguum apiculato-mamil- 
larem fusco-nigrum nitidulum tota parte emergente ferruginea, 
opaca ; peritheeium fere dimidia parte superiore crassum, fusco- 
nigrum, caeterum inferne tantum zonulam angustissimam for- 
mans aut ibidem indistinetum, nucleus globosus, hyalinus; pa- 
raphyses rigido-capillares, liberse et simplices; asei clavato- 
eylindriei, angusti, 8-spori; sporae hyalinae, 16—20, u longae, 
3'/,—4 u latae, vulgo arcuatae, subinde sigmoideae, 4-loculares, 
utroque apice obtusae. — Corticola ad Lydenburg in Trans- 
waalia: Dr, Wilms (comm, Dr, Lahm). 
