94 ANALES DE LA SOCIEDAD CIENTÍFICA ARGENTINA 



dracei, saepe snbtorulosi, antice lüíuiidati, postice brevissime 

 crassissimeqne attenuato-stipitati (50x20), octospori, para- 

 physibus filiformibus, densinsculis obvallati ; sporae irregula- 

 riter distichae, extimis exceptis, ellipticae (an leniter obova- 

 tae?) utrinque obtusissime rotundatae (12-14x8-9), episporio 

 tenuiusculo (an minute denseque punctulato?), non v. 2-gut- 

 tiilatae, hyalinae. 

 Hab. Ad folia viva Astronit juglandifolii Gr. in sylvis montanis 

 de Peribebuy, Jiil. 1883 (sub nnm. 3797). 



263. Phyllachora Kuprechtii Speg. (n. sp.) 



Diag. Maculae nullae aut vix manifestae, epiphyllae, fumoso- 

 fuscescentes, indeterminatae ; stromata párvula subhemi- 

 sphaerico-lenticularia (350-400 diam.), in maculis irregulariter 

 densiusculeque sparsa, non confluentia matrici seniiimmersa, 

 in epiphyllo exerta, in hypophyllo epidermide tecta et vix pro- 

 minula, laevia, glabra, atra, nitentia, coriaceo-subcarbonacea, 

 opaca, contextu indistincto; loculi in stromatibus solitarii, 

 núcleo albo farcti, ostiolo vix v. non papillulato donati; asci 

 cylindracei, antice truncato-rotundati, posLice breviter atte- 

 nuati ac cra&siuscule pedicellati (60-65x8-12), octospori, 

 aparaphysati ; sporae oblique v. transverso (extimis exceptis) 

 monostichae, ellipticae, non v. vix ovoideae, medio non v. 

 lenissime subattenuatae (11x6-6,5^, episporio tenui, nubi- 

 loso-ruguloso? (an protoplasmate ?) donatae, byalinae. 



Rab. Ad folia viva Ruprechtiae species cujusdam in sylvis sub- 

 virgineis prope Paraguarí, Maj. 1883 ( sub num. 3792). 



264. Phyllachora taruma Speg. ( n. sp. ) 



Diag. Maculae epiphyllae plus minusve manifestae, expallentes 

 V. fascescentes, indeterminatae ; stromata párvula, subglobosa 

 V. lenticularia (300-450 diam.), in maculis irregulariter den- 

 siusculeque sparsa, saepe confluentia, matrici immorsa, in 

 hypophyllo prominulo-exerta, in epiphyllo non papillulata sed 

 epidermide punctiformi-nigrefacta aduato-tecta, glabra, subru- 

 gulosa, atra opaca v. vix subnitentia, carbonaceo-coriacea, 

 contextu indistincto ; loculi 2-3 in quoque stromate, e mutua 

 pressione difformes (150-200 diam,), núcleo albo-gelatinoso 

 farcti, ostiolis discretis v. fasciculatis ad epiphyllum vergenti- 

 bus donati ; asci cito diffluentes, cylindracei v. cylindraceo-sub- 



