— 175 — 



Obs. H\phae torulosae crassae articiilis globoso-depres- 

 sis ( 5 [j. long. X 5-12 [j. lat. ) atrae fuligineae ; perithc- 

 cia adsunt immixta steriiia sparsa lenticularia (250- 

 300 [j), contextu pareuchjmatico atro, ostiolo lato (25 [j.) 

 impresso pertusa. 



454. GiuPHiuM? FUEGiAKUM Speg. (n. sp.) 



Dlag. Stipites densiuscule gregarii saepe coespitulosi ac 

 basi conflueutes, cylindracei (0,5-1,5'" alt. x 50-60 i^. 

 crass.), atri, basi non v. \ix incrassati, apice penicillato- 

 expansi, contextu fibroso-fasciculato fuligineo ; hyphae 

 capituli graciles dense septulato-coarctatulae flexuo- 

 sulae ramulosae, apice liberae ; conidia cylindracea v. 

 elliptica, utrinque obtusissima (2 x 1 i^) ac minute l- 

 guttulata, hyalina v. subfumosa; an catenulata? 



Hab. Ad lignum denudatum putrescens Maijteni ma- 

 gellanlcae prope Ushuvaia, Maj. 1882. 



455. TUBERCULARIA AINTARCTICA Speg. (u. Sp.) 



Diag. Sporidochia primo tecta, dein per peridermium 

 erumpenti-exertula, tuberculcso-difl^ormia (0,5-1,5'" ) 

 laevia glabra pallide testaceo-carnea ; conidia elliptica 

 utrinque plus minusve rotundata (5-7 X 3-4 [j.) ac saepe 

 1-guttulata hyalina. 



Hab. Ad ramos emortuos Berberidis ilicifoliae in Sta- 

 ien islancl, Mart. 1882. 



456. VOLUTELLA BOMBYCIWA Speg. (u. Sp.) 



Diag. Sporidochia cupulato-applanata (400-750 [j.) tenuia 

 submembranacea superficialia late arcteque matrice 

 adnata, gossypino-lanuginosa candida, piiis lamellosis 

 involutis longe lineari-spathulatis (50-150 X 5-6 [x) 

 apice applanatis irregulariter truncatis v. retusis hya- 

 linis vestita ; conidia elliptica v. ovoidea utrinque acu- 

 tissima (2,5-3 X 1 \j) ac minute 1-guttuJata, hyalina, 



