114 Polyporex', Polyporns. 



circiter lati.s, circiter ^V, crn. crassis. Videtur P. officlnali pro- 

 ximus. 



240. Polyporus chioneus Fr. Syst. Myc. I. p. 369, Hyra. Eur. p. 546, 509.3 

 Weinm. Ross. p. 316, Luc. Suit. Bull. t. 73, Berk. Outl. p. 241, 



B. porrecto-stipitatus: P. canrl-idnti Pers. Myc. fiur. 2, t. 15, f. 2, 

 (non Roth). — Albus; pileo carnoso, molli, levigato, glabro, azono, 

 postice ssepe porrecto, margine inflexo : poris curtis, exiguis, ro- 

 tundis, a?qualibus, integerrimis ; sporis ovoideis, albis, 3-5 = 1,5-2. 

 Hab. ad truncos v. c. Betula? in Europa et in trunco Pini syl- 

 vestris pr. Minussinsk Sibiriffi Asiaticae. — Semper mollis, fragilis, 

 udus hyalino-albus, siccus" candicans, 2,5 cm. latus, odore acido; 

 pilei 3-8 cni. lati superficies levigata, sed anodermea. 



241. Polyporus molluscus Karst. Symb. Myc. Fenn. XVIII, p. 80 (sub ^m 

 BJer kandera). ~ A\hus; pileo carnoso, gelatinoso-molli, effuso-re- 

 flexo, elongato, levigato, filamentis nonnullis longiusculis praedito, 

 margine acuto ; poris inaequalibus, rotundis, elongatis vel flexuo- 



sis, laceris, mollibus. 



Had. ad ligna putrescentia Pini silvestris prope lacum Salois 

 par. Tammela Fenniae. — Pol. chtoneo affinis. 



242. Polyporus delectans Peck Bull. Torr. Cl. 1884, p. 26 Morgan 5095 

 Mycol. Miami Valley Polyp. p. 99, t. I. — Pileo sessili. convexo 



vel subtriquetro, sjepe dongato, simplici vel subimbricato, carnoso- 

 fibroso, dein suberoso azono. glabro vel leniter floccoso-toraeutoso, 

 ina;quali, albo, dein flavido, margine aeuto ; poris planis vel sub- 

 coacavis decurrentibus, ampliusculis, subrotundis v. angulatis, acie 

 acuta dentatis ; sporis subglobosis, 6-7 ;/. longis. 



Hab. in truncis prostratis in silvis Ohio .\mer. bor. (Morgan). 

 — Pileus 5-10 cm. longus, 5 cm. latus. 



243. Polyporus pailescens Fr. Syst. Myc. T, p. 369, Elench. pag. 96, 5096 

 Hym. Eur. p. 546, Berk. Outl. p. 244, Boleius pelleporus Sowerb. 



t. 230 (non Bull.), B. albidus Wahlnb. Lapp. — Pileo e carnoso 

 suberoso, levi, glabro, azono, lutescente, margine acuto concolore ; 

 poris curtis, minutis, rotundis, albis, dein lutescentibus. 



Hab. ad truncos et ramos arborum frondosarura in Europa, in 

 Carol. media et super. Araer. bor,, Wisconsin (Lapham). — Sub- 

 CEespitosus, 5-8 cra. ve! ultra latus, tenuis, affinitate anceps. — 

 Var. purus Karst. Symb. XI, p. 09 {Bjerkandern): pileis imbri- 

 catis, reniformibus vel semicircularibns, basi decurrente concre- 

 scentibus, pallescentibus, 5-15 cm. latis; poris albis, siccis luteolis, 

 subinde laceris. In trunco Ulmi et Alni in Fennia (Nylander). 



