— 446 — 



Obs. Pilei tenuiíisculi coriacei rigiduli solitarii v. plus mi- 

 nusve dense giegarii saepeque imbricati, diiiiidiato-ílabel- 

 lati (20-40'" dm. transv. X 20-25"' dra. ant.-post.), po- 

 stice cuneati v. reniformes, puncto plus minusve incras- 

 sato adfixi, rarius confluentes applanati v. convexuli, 

 margine acutí integri v. subcrenato-lobati, radiatim un- 

 dulato-rugulosi, pubescentia velutina opaca minuta ad- 

 pressa cinérea v. cinereo-rufescente vestiti, zonis 2 (ra- 

 rius 3) latiusculis (2-4'" It.) glabratis aureo-rufis nitenti- 

 bus concentricis ornati ; contextus tennis (I "' crs.) albus 

 compacto-flocculosus ; hymenium sordide e pallescente 

 alutaceum, e poris dense constipatis breviusculis (1'" Ig.), 

 ore minuto (I o0-200 y- dm.) rotundato-angulato, dissepi- 

 mentis tenuibus integris compositum. Species pulcher- 

 rima priori summopere affinis a qua colore atque poris 

 magis regularibus praecipue recedit. 



119. PoLYSTiCTUs soBRius B. ct C. — Sacc, 1. c. f. 264. 



Hab. Ad palos cariosos putrescentes in hortis, Apiahy, 

 Aut. 1881 (sub n. 1494). 



Obs. Pileus tenuiter meinbranaceus rigidulus planissimus, 

 postice plus minusve cuneatus (20-25'" dm. transv. 

 X 1o-20"' dm. ant.-post.) margine acutissimus integer v. 

 vix crenulatus, primo subpulverulento-pruinulosus dein 

 glaberrimus umbrino-cinereus nebulosus opacus, zonis 

 obsoletis densis strictissimis subpurpurascentibus opacis 

 saepeque deficientibus ornatus, puncto postico tubercu- 

 loso-incrassato adfixus ; contextus tenuissimus (0,5'" crs.) 

 ex albo perdilute fuscescens flocculosus ; hymenium sor- 

 dide e pallescente subcinereum, zona saepius latiuscula 

 (1-1,5'" It.) sterili marginali cinctum, e tubulisbrevissimis 

 (0,5"' Ig.) ore minutissimis (120-150 y- dm.), primo ro- 

 tundato-angulatis integris dein subgyroso-laceris, disse- 

 pimentis tenuissimis compositum ; sporae non visae. 

 Forma pulchella P. secíori (Erh.) Fr. accedens ; an ejus- 



