GS 



Obs. Pilci (ciuiiusciili coriacei ri{^^i(luli solitarii v. j^lus mi- 

 luisve dense gic{^^u'ii saepeque inibricati, diniidiato-llabel- 

 lati (20-40'" dm. trausv. X 20-25'" dm. aut.-post.), po- 

 stice cuneati v. reniformes, puncto plus minusve incras- 

 sato adtixi, rarius confluentes applanati v. convexuli, 

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

 dulato-rugulosi, pubescentia velutina opaca minuta ad- 

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

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

 bus concentricis ornati ; contextus tenuis (1'" crs.) albus 

 compacto-llocculosus ; hymenium sordide e pallescente 

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

 ore minuto (1 50-200 //- 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 membranaceus rigidulus planissimus, 

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

 X 15-20'" 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.) sterilimarginali 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. sectori (Erh.) Fr. accedens ; an ejus- 



