fungí argentini 2i3 



Diag. Mycelium orbiculariter (2-5'" diam.) expansnm, tenue, pelli- 

 culosum, mucedineum, centro rufescens, margine albo, ambitu 

 minute denseque fimbriatulo- lacero, parte centrali co'orata 

 ubique bypbis erectis hyalino-fumosis, ápice integris, obtusis, 

 basi non incrassatis (l^O-ISOx^O), 2-5-septatis, non oonstric- 

 tis, densiuscule tomentosulo-birta, parte autem peripherica de- 

 colorata nuda; perithecia centro mycelii insidentia, superficialia 

 laxe gregaria, uda globosa (230-250), hyalina, sicca rugul(»so- 

 contracta, albo-carnea, ostiolo minuto non v. vix fuscescente 

 perforata, in juventute pilis paucis, hyalinis, rigidulis, 2-5-sep- 

 tulatis (80-90 X 5-6) vestita, in senectute saepius deuudata, 

 contextu celluloso-parenchymatico, cellulis (10-1 5 diam.) hyali- 

 nis; asci cylindracei, sursum obtuse rotundati-crasseque tunicati, 

 deorsum breviter coai'ctato-stipitati (90-110x15-18), octospori, 

 paraphysibus filiformibus, hyalinis, longioribus obvallati; sporae 

 distichae, fusoideo-clavulatae, 3-septatae, ad septum médium 

 tantum leniter constrictae, lóculo supero crassiore, utrinque at- 

 tenuatae, ac apiculo subgloboso concolore auctae (40-42x8-9), 

 hyalinae, granuloso farctae v. minute guttulatae. lodi ope 

 nuil a! 



Hah. In foliis vivis Irtwrmeaecujusdam in nemorosis prope Apiahy, 

 Brasilia meridionali, Jul. 1881. leg. Cl. Dr. J. Puiggari (sub 

 n. 1,507). 



Ohs. Species inter fungos lichenesque dubiosa, ob praesentiam 

 pruinulositatis alginae, mycelium hyphasque incrustantis ; an 

 alga parásita, an potius thallus licheninus? si inter fungos, iodi 

 ope nulla, recensenda, etiam a genere Calonectria DNtrs. satis 

 desciscere videtur. 



204. Calonectria LEucoRHODiNA (Mtgn.?) Speg. 



Hab. Ad folia plantae cujusdam subcoriacea prope Capella de Ri- 

 vera, Apiahy, Brasilia meridionali, Dec. 1880, leg. Cl. Dr. J. 

 Puiggari. 



Obs. Perithecia epiphylla, maculis arescentibus (?), convexo-bullo- 

 sis insidentia, thallo mucedineo squamulatim deciduo, albo do- 

 nata, superficialia, sicca collapso-cupulata.v.applanata sed línea 

 centrali protiiberante percursa, pallidissime albo-mellea, udaglo- 

 boso-depressa (180-200 diam.), superne acutiuscula, pallidecar- 

 neo-succinea, ostiolo párvulo (10 diam.) impresso pertusa, cera- 

 ceo-earnosula, contextu indistincteparenchymatico,fulvo-melleo; 



