246 ANALES DE LA SOCIEDAD CIENTÍFICA ARGENTINA 



(1200-400 diam.), innata, tenuissima, extus atra, glabra non 

 V. vix subnitentia, intus alba; loculi minuti (120-150 diam.),, 

 dense constipati, ostiolo subimperspicuo nucleoqne albo donati; 

 asci cylindracéi v. cylindraceo-clavati, antice rotimdati, crasse- 

 que timicati, postice attenuato-pedicellati (70-75x10), para- 

 physibus parum manifestis subfluxilibus obvallati, octospori; 

 sporae elliptico-naviculares, curvulae, utrinque plus minusve 

 acutato-rotimdatae (10-13x4-4,5), intus granulosae v. grosse 

 1-guttulatae, liyalinae. 



Hab. Ad folia viva Bignomaceae cujnsdam in sylvis subvirgineis 

 prope Ibüimí, Jan. 1882 (sub num. 3537). 



Obs. Sporae an postremo excentrice 1-septatae? An forma juvenilis 

 Munkiellae? 



279. Phyllachora setariaeíola Speg. (n. sp.) 



Diag. Maculae nullae v. vix manifestae, pallescentes v. rubescen- 

 tes, indeterminatae ; stromata amphigena, elliptica, longitudi- 

 nalia, dense sparsa, vix pulvinata, atra, glabra, non nitentia, 

 subcarbonacea, intus alba (0,5-2 mllm. long. X 0,2-0,3 mllm. 

 lat.); loculi dense constipati, globulosi (120-150 diam.), nigro- 

 tunicati, núcleo albo-farcti; asci cylindraceo-clavati, antice 

 truncati, túnica incrassatula, postice attenuato-pedicellati (90- 

 95x10-12), paraphysibus paucis obvallati, octospori; sporae 

 ellipticae, utrinque acutatae, rectae v. vix inaequilaterales (IS- 

 IS X 6-6,5), disticbae v. rarius submonostichae, hyalinae, gra- 

 nuloso-farctae v. 1-guttulatae. 



Hab. Ad folia viva v. lánguida Setariae species cujusdam in pascuis 

 Pastoreo de Caá-guazú, Jan. 1883 (sub num. 3446). 



Obs. Species ambigua ob lóculos fusco-tunicatos, sed túnica pulpa 

 stromatis arete adnata ac concreta! An melius Gibelliae species? 

 An huc Ph. setariae Sacc. ducenda? 



PHAEOSPORAE SaCC. 



280. AuERSWALDiA? BAMBUSICOLA Speg. (n. sp.) 



Diag. Stromata superficialia, pulvinato-effusa, matrici arete adnata 

 (non innata, nec erumpentia), elliptico-elongata (1-2 mllm. long. 

 X 0,7-1 mllm. lat.), sparsa v. 3-4-conñuentia, longitudinalia, 

 fusco-atra, glabra, laevia, coriacea-subcarbonacea, contextu 



