SPEGAZZINI: FUNCI AEGENTINI. 131 



Hal). Ad basiii truneorum in sylvis prope La Viña, Prov. 

 Salta, Jan. 1897. 



06.S'. Caespitosa v. rariiis snbsolitaria; pileus primo hemi- 

 sj)liaericns dein applanatus expansus (8-12 cm diam. ) centro 

 plus minnsve depressns, plus minusve intense ferrugineus, per 

 aetatem minute irregulariterqne pallescente-reticiilatus, glaber 

 laevis, margine semper incurvulns obtusns integer estrius; caro 

 pallescente-alba crassa (G-lOmm crass. ) ad marginem nsque 

 evolnta compactinscula; lamellae polymacriae confertae mem- 

 branaceae ferrugineae, pileo obscuriores, latiusculae (5-7 mm 

 lat.) ntrimqne attennato-acntae, postice deciirrentes, acie in- 

 tegra e snbcrisj)nlae ; stipes crassus (8-10 cm long. = 12-16 

 mm diam.) extus albus v. vix leniter rufescens, non v. vix 

 fibrillosus, deorsnm attennatns, intus farctns albns fibrosus. 

 Odor fnnginns, sapor gnmmoso-amaricans; sporae ellipticae 

 V. subovatae (12-1() ¡x long. = G-8 ;j. diam.) laeves fnlvae. 

 104. Naucoria Bergi Speg. (n. sp. ). 



J)iag. Gynniota, lameUis Uheris, snhcae.spitosa , pileo primo 

 ovato-glancUformí dein cainpamdato-expanso isaheJUno glabro 

 laet'i, lamellis confertís postice acutato-rotundatis sinuatis ochra- 

 ceis^ stlpHe graciJi coriáceo glabro laeri basi dilafafo velufino 

 atqiie suhj^auno.se ii///celifero concolore; sporis laevibiis ferrugi- 

 neis mimitis. 



Hab. Ad terram pinguem in cami^is prope Montevideo, Jan. 

 1888 (leg. Cl. C. Berg). 



Ob.s\ Caespitosa; pileus ])rimo ovatus dein liemispliaerico v. 

 oampanulato-exjjansus (10-15 mm diam.) non v. vix umbonatus 

 isabellinus v. ocliraeeus carnosulus firmus laevis glaber, mar- 

 gine rectiusculus integer; caro ex albo pallescens exsucca pro 

 ratione crassiuscula : lamellae conf ertiusculae membranaceae 

 latiusculae (2 mm lat.) acie integerrimae antice acutatae postic e 

 attenuato-rotundatae, a stipite liberae pallide sordideque fer- 

 rugineae; stipes rectus erectus subfarctus tenax, in sicco fere 

 ligneus, glaber laevis, teres, deorsum sensim incrassatulus 

 (SOmmlong. z= 1-2 mm diam.) pileo pallidior laevis, densiu- 

 scule, praecipue in parte infera, squarruloso-pulverulentus 

 basi abruj)te in mycelio pannoso-ozoniaceo latiusculo ocliro- 

 leuco velutino v. liispidulo exj)ansus. Species reviviscens sti- 

 pite sublignoso et mycelio singulari distinctissima. 

 105. Naucoria melinoides Fr. — Sacc, 1. c, f. 836. 



Hab. Vulgata in cam})is ubique jarope La Plata, per anuos 

 1882-96. 



