58 ANALES DE LA SOCIEDAD CIENTÍFICA ARGENTINA 



DISGOMYGETEAE Fr. 



146. Peziza POLYTRiciii Scluim, 



llab. Ad terram uec non ad truncos muscosos in sjlvis uliginosis 

 prope Guarapi, Sept. 1883 (sub niim. 4941). 



Ohs. A typo specimina giiaranitica vix deflectunt ; cupulae (1-3 

 mllm. diam.) disco concaviusculo aurantio, extus turbinatulae 

 pallidiores v. testaceo-pallescentes pilis unicellularibus obtusis 

 (200-300 X 12 ;j,) subhyalinis praecipue raarginem versus ve- 

 stitae, contextu cellulis niajusculis (20 ¡a diam.) flavescentibus 

 composito; asci cjiindracei modice atteuuato-pedicellati (p. sp. 

 90 X 14 := ped. 30x5 [a), octospori, paraphysibus filiformibus 

 ápice incrassatnlis protoplasmate aurantio farctis densiuscule 

 obvallati ; sporidia monosticha globosa (12-13 \). diam.), den- 

 siuscule minuteque verruculosa, grosse 1-guttulata, hyalina. 



147. Pyronema ompiialodes (Bull.) Euck. 



Hab. Ad ciñera arborum combustarum in sj'lvis prope Yaguaron, 



15 Sept. 1883 (sub num. 3988). 

 Ohs. Cupulae dense aggregatae coUabescenti-confluentes ceraceae 



subaurantiae glabrae minutae; asci cylindracei (120x10 \j) 



parce paraphysati; sporidia recte v. oblique distioha, ellipsoi- 



dea (12-16 x6-8 ¡j.), liyalina. lodi ope nulla. 



148. SCUTULA LEUCORRIIODINA (Mntgn.) Speg. 



Hab. Ad folia viva arborum in Perisporiacek parasitans in sylvis 

 prope Guarapí, Oct. Nov. 1883 (sub num. 4016 et 4051). 



Obs. Cupulae tliallo mucedineo pelliculoso orbiculatim expanso 

 tenuissimo ex albo subroseolaxe insidentes, udae hemispbaérico- 

 turbinatae, siccae collabescenti-contractulae, ceraceae, pallide 

 aurantiae v. aurantio-subroseae, minutae (300-400 [;. diam.), 

 obtusissime marginatae, glabrae, epithecio convexulo laevi ; 

 asci cylindracei antice obtuso rotundati, postice breviter cuneato- 

 stipitati (50-60 X 10-12 [x), octospori, aparaphysati v. pseudo- 

 parapbysibus paucis (an ascis inanibus ?) immixtis ; sporidia 

 recte v. oblique disticha, elliptico-fusoidea, utrinque acutiuscule 



