9(3 A.NALES DE LA SOCIEDAD CIENTÍFICA ARGENTINA 



cue longioribus obvallati ; sporae oblique monostichae, elliptico- 

 inaequilaterales v. subnaviculares, utrinque subacutato-rotun- 

 datae (15-18 x6-8), non v. 2 gnttulatae, hyalinae. 

 Hab. Ad folia viva Copatferae species cujusdam in sylvis monta- 

 nis db Peribebuy, Jul. 1883 (sub num. 3854). 



267. Phyllachora Engleri Speg. (n. sp.) 



Diag. Maculao nullae v. vix pallescentes, indeterminatae, non v. 

 vix subbullosae; stromata densiuscule gregaria, amphigena, 

 matrici innata, vix lenticulari-pulvinata (3-5 mllm. diam. = 

 0.40-0.45 mllm. cvass ) irregulariter orbicularia, ambitu plus 

 minnsve obtuso anguloso-repandula, estus glabra, laevia, atra, 

 nitentia, intiis, ampliigenae peritheciigera, cortice atro, medalla 

 alba; loculi immersi, dense constipati, lenticulari-conoidei, par- 

 vuli (120-140 diam.), ostiolo minutissimo, stromatis superficiem 

 attingente sed non exerto donati ; asci cvlindracei, ápice trun- 

 cato-rotundati, postice breviter crasseque attenuato-stipitati 

 (56-60x6-7), paraphysati, octospori; sporae recte disticliae, 

 ellipticae v. elliptico-naviculares, utrinque acutiusculae (10-13 

 x3-4), rectae v. curvulae, primo protoplasmate grauuloso- 

 farctae, dein grosse 2-guttulatae, hyalinae. 



F'^b. Ad folia viva Spathicarpae lanceolaíae Eng.'ad ripas, flumi- 

 nis S. Antonio prope pagum Villeta, Jan. 1882 (sub num. 3746). 



Obs. Specimina nonnihil immatura videntur, et facile stromata, 

 post folionun delapsum, niaturescentia ; sporae tándem didy- 

 niae (?) et species ad genus Dothidella transferenda. 



(Continuará) . 



