176 PyrenOinycetEe, Sphseriacese, Didymc^hseria. 



Ildb. ad culmos dejectos putrescentes Saccliari officina- 

 rum prope Ledesma, Jujuy Rep. Argentina Amer. austr, 



20. Didymosphaeria Werthiana P. Henn., Deutsche Siidpolar-Exped. 3( 

 Bd. VIII (1906) pag. 10, tab. II, f. 6 a-h (extr.). — Peritheciis 

 amphigenis sparsis v. gregariis, innato-tectis, ostiolo erumpenti- 

 bus, atro-membranaceis, subglobosis, 250-280 ii. diam.; ascis late 

 clavatis, apice tunicatis, obtuse rotundatis, basi attenuatis, saepe 

 stipitato-curvatis, octosporis, 80-120*25-40; paraphysibus filifor- 

 mibus, hyalinis; sporidiis subdistichis v. conglobatis, saepe crasse 

 hyalino- mucosis, ellipsoideis v. subovoideis, rectis v. subcurvis, 

 primo hyalinis, 2-guttatis, dein fusco-brunneis, medio 1-septatis, 

 constrictis, 25-30 « 10-14. 



Hdb. in foliis Poae Oookii in Possession ex insulis Crozet 

 in Polo austr. (Doct. E, Werth). — Species prajdistincta. 



21. Didymosphsria Puyae (Speg.) Sacc. et Trott., Microthelia Puyce 3J 

 Speg,, Fungi Chilenses (1910) p. 71, c. ic. — Maculis nullis; peri- 

 theciis epiphyllis, globosis, 200-250 jj-, diam., matrice omnino in- 



• fossis, ostiolo vix papillato superficiem epidermidis attingente, a- 

 reola pusilla nigra cincto, coronatis; ascis cylindraceis, breviter 

 pedicellatis, parce paraphysatis, octosporis, 140-160«;^ 14-15; spori- 

 diis submediocribus, pulchre fuligineis, tunica mucosa crassa ve- 

 stitis, 20-22 =^ 9-10, 



Hdb. in foliis emortuis putrescentibus Puyaa chilensis, 

 Cerro Alegre de Yalparaiso, Chile Amer. austr, 



Subgen. Endococcus Nyl. Species lichenicolse [Cfr. Syll. X7II, p. 681]. 



22. Didymosphaeria stictaria (Linds.) Sacc. et Trott., Microthelia sti- 39 

 ctaria Linds., Lichenic. Micro-fungi p. 541, t. XXIV, f. 4-6. — 

 Peritheciis minutis, nigris, superficialibus et facile secedentibus ; 

 ascis crasse clavatis, deorsum tenuatis, jodo violascentibus, minu- 

 tis; sporidiis laxe distichis. constricto-didymis, loculo superiore le- 

 nissime crassiore, ex olivaceo brunneis, minutis, 8 * 3,5. 



Ilab. in thallo Stiotas Freycinetii CampbelTs Island 

 (Hooker). — Ab afifini D. rugulosaria sporidiis minoribus recedit, 



23. Didymosphaeria perrugosaria (Linds.) Sacc. et Trott , Microthelia 39 

 perrugosaria Linds., Lich. and Fungi Otago p. 437, t. XXX, f. 23- 

 28. — Peritheciis gregariis semiimmersis, nigris, e cellulis minutis 

 deusis atro-brunneis formatis ; ascis cylindraceis v. clavatis, copiose 

 paraphysatis, jodo flaventibus, octosporis, 50 «12; sporidiis obli- 



