fungí guaranitici 129 



PYRENOMYCETEAE Fr. 



PERISPORIACEAE FU. 



Erysipiieae Lev. 



166. PiiYLLACTiMA SUFFULTA (Reb.) Sacc.=Syl]. Fiing. V. I, p. 5. 

 Hab. Ad folia viva Colliguayae brasiliensis in sylva montana 



Naranjo, Cordillera de Penbebmj, 2i Maj. 1883 (sub niiDi. 3815). 

 Obs. Specimina non plaae matura, ascis sporisque deficientia; 

 characteres externi perfecte cum typo conveniunt. 



167. TJncinula australis Speg. (n. sp.) 



Di'ag. Epiphylla; mycelium arachnoideum, grisescenti-album, 

 late folia ambiens, eisque arete adnatum, tenue, compactiu- 

 sculum, non pnlverulentum; perithecia densiuscule liinc inda 

 sparsa, globoso-depressa, minuta (100-120 diam.), atra, glabra, 

 membranaceo-coriacella, conteitu parenchymatico, parum per- 

 spicuo, fuligineo, basi 20-40 appendicibus radiantibus ornata; 

 appendices divaricatae (100-130x4-7), utrinque gradatim 

 attenuatae et laeves_, medio saepius incrassatulae ac minutissime 

 densiusculeque granuloso-papillosae, ápice saepius semel plus 

 minusve circinatae (rarius rectae atque obtusatae), hyalinae. 

 Asci et sporae non visa. 



Hab. Ad folia viva Myrtaceae species cujusdam in dumetis prope 

 Paraguari, 24 Maj. 1883 (sub num. 3814). 



Perisporieae Sacc. 



168. DiMEROSPORIUM TROPICALE Speg. (u. Sp.) 



Diag. Epi- v. hypophyllum, saepissime in consortio (an parasiti- 

 cum?) meliolarum, subcrustaceum, tenuissimum, epidermide 

 foliorum arete adnatum, e íibris dense ramoso-intiicatis, gra- 

 eilibus (5-6 erass.), eonfertiuseule septatis, fnligineis, hypho- 

 podiis destitutis, substantia mucosa eonnexis compositum; pe- 

 ritliecia globosa, minuta (70-100 diam.), astoma (?), atra, 

 superficialia, glabra, tenui membranaceo-coriacella, contextu 

 parenchymatico, cellulis minutis (3-3,5 diam.) composito, fuli- 

 gineo donata ; asci teretes v. obclavati, antice truncato-rotun- 



ANAL. SOC. CIENT. ARG. T. XVIII. 8 



