59 



ginatus, laevis glaber obscure castaneus v. rufescenti- 

 fuscus margine lobatus v. fissus, acutus ; caro vix evoluta 

 fuscidula tenacella ; hymenium in stipitem subdecurrens 

 admarginem usque productum sordide pallescens (an al- 

 bum in vivo?) tenuissimimi vix evolutum, e poris brevis- 

 simis minutissimis (80-100 y- dm. et Ig.) dense reticulato- 

 constipatis rotundis compositum; stipes lateralis vix evo- 

 lutus crassus (10'" Ig. X 4-5'" crs.) pileo concolor glaber 

 subscrupulosus; sporae globosae (2,5-3 ,y- dm.) non v. 

 grosse l-guttulatae, laeves hyalinae. Species habitu P. 

 guaranitico Speg., simillima, pileo conspicue tenuiore, 

 porisque brevissimis tamen satis recedens ; an ejusdem 

 varietas tantum ? 



104. PoLYPORUs iNFERNALis Brk. Sacc, 1. c. f. 83. 



Hab. Ad truncos arborum in sylvis prope Apiahy, Aut. 1881 

 (sub n. 1486-1685). 



Obs. Pileus flabellatus v. subspathulatus (25-35'" dm. trans. 

 X 20-25'" dm. ant.-post.) horizontalis planus v. saepius 

 postice plus minusve depressus atque subinfundibularis 

 non V. vix obsolete marginatus, suberoso-coriaceus, hepa- 

 tico-niger, glaberrimus laevissimus subnitens, margine 

 integer acutus rectus ; caro suberosa tenuis (1-2"' crs.) 

 sordide alutaceo-pallescens ; stipes horizontalis v. verti- 

 calis brevis crassiuscukis (5-15"' Ig. X 3-4"' crs.) pileo 

 concolor laevis v. vix subrugulosus ; hymenium primo 

 albo-cinerascens dein pallescenti-cinereum, in senectute 

 sordide ferrugineum, planum, in stipitem decurrens eporis 

 brevissimis (0,5-1'" Ig.) ore minutissimis (80-100 y. dm.) 

 rotundis aequalibus, in juventutepruinula tenuissima sub- 

 carnea obturatis efformatum, zona marginali sterili sae- 

 piuslatissima (1-4"' It.) liepatico-nigra cinctum ; sporae 

 non visae. Species pulcherrima distinctissima ; specimina 

 puiggariana a typo pileo minore atque tenuiore vix de- 

 flectunt. 



