

''^ 



^>:^ 



> J 



: 



I 



*r 



^ 

 y 



s 



f 



\ 



\ 



^ 



^ 



-s ■ 



^ ; 





J r 



328 



428. PeHwsan'a microstoma Miill. Avg. Thallus clnereus v. 

 in margine tenuiore testaceo-cinerascens, ruj^ulosus, caeterum 

 superficie laevigatas, subnitidulus , vix linea distincta cinctus; 

 verrucae fructigerae irregulariter hemisphaericae, copiosae et 

 copiose confluentes, demuin valde irregulares et numerosaej 

 superficie leviuscule undulato-inaequales et undiqae ostioligei-ae, 

 ostiola siiperficiem verrucaruin attingenfciaj nigt-a, opaca, fre- 

 quentius lirelliformia, 2 — 272-plo longiora quain lata, hinc inde 

 caeterum orbicularia, circ. ^j^, mm. lata; perithecium tenue et 

 hjalinum, epithecium fuscum, quasi operculiforme, lamina hya- 

 lina, asci 2—3- v. saepitis 4-spori; sporae 60 — -110 [i longae, 

 30—38 fi latae, intus valide spiraliter costulatae. — Proxima 

 neocaledonicae Pert. irypeUieliiformi^ a qua thallo minus albescente, 

 verrucis irregularibus et minus emersis et ostiolis oblongatis 

 differt — In insula Java (hb. lugd. bat.)- 



429. Pertusaria minor Mull. Arg, Thallus tenuissimus, sub- 

 laevis, lineis nigris laxe decussatus, cinereo-albidus; verrucae 

 */a— 1 mm. latae, subinde confluentes, nano-hemisphaericae, thallo 



r 



concolores et laeves, sat regulares, apothecia 1 — 4 gerentes*, 

 ostiola primuni hyalina v. pallide carnea, dein fusca, baud pro- 

 minentia, nee immersa, solitaria aut in vertice verrucarum con- 

 ferta; lamina pallide carnco-fuscescens; sporae in ascis octonae, 

 58 — 80 jM longae, 22 — 26 ^ latae, intus sublaeves. — Quasi for- 

 ma parva Periusariae leioplacae^ sed habitus tlialli tenuis et lae- 

 vigati et verrucarum baud raro- monohymeniarum alius est. 

 Valde affinis videtur Periusariae leioplacae var. emadaiae Nyl. 

 Prodr. Nov, Gran. p. 37. — Corticola in insula Java (hb. lugd. 

 bat.). 



430. Lecidea (sect. Biatora) granularis Miill. Arg. Thallus 

 effusus, granularis, granula in hypothallo nigro conferta, sub- 

 hemisphaerica, olivaceo-fusca, subregularia, vertice saepe sore- 

 dioso-efftorescentia, intus flavescenti-alba *, apothecia V2 — ^ ^™* 

 lata, sessiliaj sicca subnigra, madefacta fusca v. juniora pallide 

 subpellucido-fusca, saepe conglomerata, plana et vix promi- 

 nenter marginata, demum convexa et subimniarginata v. mar- 

 gine fusco integro vix prominente cincta, discus demum mar- 

 gine obscurius fuscus v. nigricans; epithecium olivaceo-nigricans ; 

 lamina cum hypothecio olivaceo- v. virescenti- hyalina, para- 

 physes valde conglutinatae et asci aegre perspicui; sporae 

 simplices ethyalinae, oblongato-elUpsoideae, 10 — 13 (raro usque 

 15) fi longae et 4—472 l^- latae. — Thallus prima fronte ilium 



