SPEGAZZINI: FUNGÍ ARGENTINI. 103 



Ohs. Solitaria: pileus subliemispliaerico-applanati'is (20 

 mm cliani. ) non v. vix obsoleto nmbonatulus, non v. leiiiter 

 flepressiis. li^^groplianus, margine integer acntus leniter stri- 

 cteqne involiitus, siccus lividus glaber laevis, udus livido-pur- 

 purascens subviscosnlus ; caro vix centro evoluta alba v. albo- 

 subcaerulescens compactiuscula ; lamellae polymacriae con- 

 fertissimae (10 mm long. =1,5-2 mm lat.) albae tenues acie 

 integerrimae, ntrimque acntae postice adnatae leniterque de- 

 currentes; stipes teres erectus (25-35 mm long. = 2,5-3 mm 

 diam. ) glaber laevis, pileo concolor, basi breviter atteniiatus 

 atqne sordide pallescens. 

 33. GoUybia ? perstrictifolia Speg. — Speg., Fung. Puiggar., n. 18. 



Háb. Abunde in sylvis densioribus supra folia dejecta pu- 

 trescentia Chusqueae Lorentzlanae^ in alpinis Pampa Grande, 

 prov. Salta, Jan. 1897. 

 3-1. Mycena corticola Sclim. — Sacc, 1. c, f. 302. 



Hal). Ad corticem truncorum lichenibus muscisque inter- 

 mixta in Melia azedarach prope La Plata, biem. 1888-95 et in 

 Aluo ferruginea prope Pampa Grrande, prov. Salta, Jan. 1897. 



Ob.s. Pileus aquose rufescens grosse sulcato-plicatus (prae- 

 cijíue in sicco ) glaber v. minutissime adpresse laxeque sub- 

 squamulosus: lamellae pileo concolores; stipes concolor de- 

 orsum vix intensius coloratus, strictissime fistulosus. Sporae 

 globosae (12-14 ¡xlong. = 11-12 [j- diam.) laeves v. subimper- 

 spicue pulverulentae, liyalinae. Huc certe spectat M. nielii- 

 gena B. & C. 

 35. Mycena cortinarioides Speg. (n. sp.). 



Diag. CoHlnarlokles, pileo campa nulato-digitaliformi gros- 

 se ohtuseque umbonato nihvo-lateritío pniimdoso, lamellis albis 

 margine integris concoloribtis, stipite terete Jaevi glabro sidr/i- 

 stnloso pallidiore, anmdo araneoso mox evanido.sporis ovatis 

 Jaevibns. 



Ab. Ad terram humosam inter folia putrescentia et Grami- 

 na prope La Plata, liieme 1893. 



Obs. Solitaria; pileus primo ovatus dein e cligitaliformi 

 subcampanulatus grosse obtuseque umbonatus (6-12 mm 

 diam. = 6-8 mm alt.), margine stipite adpresso, rubro -lateri- 

 tius centro obscurior ac minutissime adpresseque pruinuloso- 

 squamulosus, ambitu pallidior glaber laevis ; caro vix centro 

 evoluta rufo-lateritia subexsucca; lamellae laxae crassiuscule 

 membranaceae acie integrae concolores, latiusculae (2-3 mm 



