46 STARBÄCK, ASCOMYCETEN DER REGN. EXPEDITION. 



Måtto Grosso, Cuyabå in silvula ad rivulum in foliis ar- 

 busculee Myrtacese, ^^/i 94. 



Dothidella. 



D. bifrons Stare. nov. sp. 



Maculee fere nullse. Stromata amphigena, sparsim gre- 

 garia, interdum confluentia, depressim lenticularia vel pnlvi- 

 natula, vertice applanata vel pluries nmbilicata, orbiciilaria 

 vel irregnlariter angulosa, atro-nitida, 0,5 — 4 mm. diam. Lo- 

 culi distichi, epi- et hypopliylli, spbserioidei, minutissimi. Asci 

 cylindracei, snrsum rotnndati, pedicellati, 85 — 96 x 8 — 11,5 (x. 

 Sporidia octona, ovoideo-oblongata, primo ilebulosim continua, 

 demum lenissime medio incurvata, verisimillime uniseptata^ 

 12 — 16 X o, 5 — 5 fl. Parapbyses ascos superantes, ramosse.. — 

 Hab.: Paraguay, prope oppidnm Concepcion, in foliis vivis 

 Aroidese terrestris, ^^/g 93. — Ph. Lehmanniance P. Henn. 

 Hedw. 1897 p. 225 affinis forma stromatum autem et situ 

 peritheciorum plane diversa. 



Munkiella. 



M. Mascagniae Starb. nov. sp. Pig. 68. 



Maculfe nullcC. Stromata ampbigena, plerumque epi- 

 pbylla, in area bullatim convexa gregaria, interdum confluen- 

 tia, varia forma, plerumqne irregnlariter orbicularia vel an- 

 gulata vel effigurata, applanata, atro-nitida, ostiolis locnlo- 

 rum distincte ruguloso-punctatula; locnli globulosi, 100 — 150 

 [A diam. Asci late cylindracei, superne rotundati crasseqne 

 tnnicati, nodulosim vel breviter pedicellati, 50 — 60 x 10 — 14 ;tt. 

 Sporidia octona, conglobata, infra medium septata, obovoideo- 

 navicularia, vel insequilateralia, superiore parte plerumqne 

 attenuata, acntiuscula, inferiore lenticulare, obtusata, interdum 

 utrinque acntiuscula, 14 — 16 x 5 — 6 (x. Parapbyses parcse, 

 ramosse, ascos obvallantes. — Ildb.: Paraguay, Itapocumi ad 

 rupes calcareas, ^V^ ^3; Paraguay, Col. Risso prope Pio Apa 

 in foliis vivis Mascagnise sp, -Va 93. — Species forma spori- 

 diorum prsedistincta. 



M. Mascagniae var. bullata Starb. nov. var. 



Stromata fere semper epipbylla, valde convexim bullato- 

 inflata, orbicularia . vel yarie angulose limitata, ostiolis locu- 



