480 KARL KEISSLER 



Dothideales. 



PPhjilachora graminis Fuck. 



Masafuera: an Blattern von Agrostis viasafiierana Pilg., Las Torres, 

 1350 m. s. m., 14. II. 1917. 



Sphaeriales. 



Corynelia tropica (Auersw. et Rbh.) Starb. 



Masafuera: Cordon del Barril, ca. 500 m. s. m., an Friichten von Drimys 

 Winteri Forst., i. III. 191 7. 



Perithecien aussen schwach warzig, Sporen fast rund, ca. 9x7 [J- Ur- 

 spriinglich auf Blattern von Podocarpus saligna aus Chile angegeben (Rabh., 

 F'ungi eur. nr. 1261), hier an Friichten von Drimys, offenbar dieselbe Art. 



Trematosphaeria Robinsoniae nov. spec. 



Peritheciis ligno decorticato semiimmersis, globosis, dein applanatis, ma- 

 jusculis (ca. 0.5 — I mm diametro), atris laxe gregariis, interdum 2 — 3 confluen- 

 tibus, papilla minuta ostiolatis, carbonaceis. 



Ascis cylindraceis, apice rotundatis, tenuiter tunicatis, mox coUabentibus, 

 8-sporis, ? . . . longis, 11 [j. latis, paraphysibus filiformibus numerosis flexuosis 

 ascis multo longioribus ca. 0.5 {i crassis circumdatis. Sporis iate-ellipticis, 

 oblique-monostichis, dilute-brunneis, 3-septatis (septis non constrictis), 4-guttu- 

 latis, muco non obvallatis, ca, 12.5X7—9 [J.. Hymenio Jodis ope primum coe- 

 ruleo, demum dilute-viridi. 



Masatierra: ad lignum decorticatum Robinsoniae gracilis DC, Portezuelo 

 de Villagra, 600 m. s. ni., 22, I. 1917. 



Didymellina Rhaphithamni nov. spec 



Maculis albidis, subcircularibus, plerumque brunneo-cinctis, ca. 0.3 — 0.8 cm 

 diametro. 



Peritheciis epiphyllis, gregariis, interdum ± confluentibus (2 vel pluribus 

 concrescentibus), stromate destitutis, globosis, atris, poro pertusis, primum im- 

 mersis, demum emergentibus, contextu pseudoparenchymatico, ca. 150—200 [x 

 diametro, membrana perithecii ca. 15 — 25 [x crassa. 



Ascis cylindricis, apice applanatis ibique incrassatis, breviter stipitatis, 

 bulla basali instructis, 8-sporis, non fasciculatis, ca. 60x8.5 — 9 {jl, J — . 



Sporis hyalinis, anguste oblongis, subacutiusculis, rectis, medio i-septatis 

 (cellulis aequalibus), non constrictis, eguttulatis, irregulariter distichis, ca. 18 — 

 195X3.5 [X. Paraphysibus nuUis. 



Masatierra: in foliis vivis Rhaphithamni ve7tusti (Phil.) Skottsb., Villagra, 

 4. I. 1917. 



