18 



A. Zahlbruckner. 



Bacidia (Weitemvebera) obscurata (Smrft.) A. Zahlbr. 



Schneeberg: Ochsenboden, über Moosen und abgestorbenen 

 Alpenpflanzen (leg. K. Eggerth jun., det. J. Steiner). 

 Bacidia (sect. Weitemvebera) indurata A. Zahlbr. nov. spec. 



Thallus epilithicus, crustaceus, uniformis, tenuis, effusus, 

 obscure et sordide cinereus vel passim magis dealbatus, opacus, 

 KHO — , CCLCI2O2 — , continuus, gramdoso-inaequalis, sorediis 

 et isidiis destitutus, protothallo distincto non limitatus, superne 

 strato corticali, ex hyphis intricatis formato, decolore et macu- 

 latim nigro-insperso obductus; gonidia glomerata, glomerulis 

 increbris, parvis et plus minus dispersis. 



Apothecia biatorina, dispersa vel approximata, usque 

 1'2 mm lata, obscure fusca vel nigricantia, opaca, jam in 

 juventute convexa et demum fere semiglobosa, immarginata, 

 rotunda vel rotundata tuber cidatave; excipulum laterale, chon- 

 droideum, ex hyphis radiantibus, pachydermaticis, conglutinatis 

 et eseptatis formatum, intus late decolor, ad ambitum leviter 

 umbrinum et versus hymenium ochraceo-fuscescens; hypothecium 

 crassum, infra hymenium anguste fusco-lutescens, caeterum 

 album (sub lente decolor), ex hyphis densissime intricatris, 

 sat pachydermaticis formatum, compactum (aerem non inclu- 

 dens), subchondroideum, J leviter lutescens; epithecium dis- 

 tinctum nullum; hymenium purum (non inspersum) , plus 

 minus cinnamomeo-fuscescens, superne anguste fusco-nigricans, 

 110 — 140 (.1 altum, J e coeriäescente rufescenti-obscuratum; pa- 

 raphyses füiformes, simplices, eseptatae, dense conglutinatae, ad 

 apicem capitato-clavatae et obscuratae, capite usque 4 f.i lato; 

 asci hymenio subaequilongi, oblongo-clavati, 8spori; sporae in 

 ascis plus minus biseriales, decolores, oblongo-fusiformes, ob- 

 longo-ellipsoideae vel subovales, utrinque rotundatae vel in uno 

 apice subacutatae, rectae, triseptalae, septis tenuibus, mem- 

 brana tenui cinctae, 17 — 25 \i longae et 7 — 8 fi latae. 

 Pycnoconidia non visa. 

 Unterer Ochsenboden des Schneeberges, auf huraösem 

 Kalkboden zwischen Gras, ca. 1800m (leg. J. Baum- 

 gartner). 



