MURRILL : POLYPORACEAE OF NoRTH AMERICA 355 



Antrodia mollis Karst. Medd. Soc. Faun, et Fl. Fenn. 5 : 40. 

 1879. 



Trainetes stereoides Bres. Att. I. R. Accad. Sc. ed Art. III. 3 : 92. 

 189;. 



According to Bresadola, this species is the same as Poly- 



porus stereoides Fr. (Obs. Myc. 2: 258. 18 18), described from 



very small specimens collected on old fir trunks in Sweden, but 



different from Polyporus cendnus of Fersoon (Myc, Eur. 2 : ?>'J . 



1825). 



r 



The plant is fairly well known in Europe and temperate North 

 America on decaying wood of beech, maple, linden and other de- 

 ciduous trees : Finland, AT^^/'j"/^;;; Hungary, iTwr/; Tyxo\,Bresa- 



Ellis, Macoun. Deariicss : Maine. Blake : New 



do/a; Canada, E//ts, Ma 

 York, Peck; Ohio, Lloyd. 



3. FAVOLUS Beauv. Fl. Owar i : i. //. /. 1805 



Type : Favolus hirtns Beauv, 



Sc€)iidmin Kuntze, Revis. Gen. 515. 1893. 



Type : Favolus hirtiis Beauv. 



Hymenophore small, annual, epixylous, sessile, dimidiate or 

 reniform ; surface multizonate, margin thin : context thin, leathery, 

 pallid or brown ; tubes alveolar ': spores smooth, hyaline. 



Species : F. tenuis (Hook.) Murr., F, varicgatiis (Berk.) Murr. 

 [see Bull Torrey Club 32: 99-103. 1905]. Although typ- 

 ically white-fleshed, this genus contains brown forms and /^ vari- 

 egatiis is usually brown. 



4. HAPALOPILUS Karst Rev. Myc. 3 : 18. 1881 



Type : Hapalopilus rutilans (Pers.) Murr. 



Hymenophore annual, very rarely perennial in the tropics, 

 epixylous, sessile, dimidiate, simple or imbricate ; surface anoderm, 

 rarely pelliculose, zonate or azonate, usually brown and glabrous : 

 context brown, leathery or corky, tough or rarely friable when 

 ^O' ; hymenium usually differently colored, tubes small, thin- 

 walled : spores small, usually ovoid, hyaline. 



Species : H. rutilans (Pers.) Murr., H. sublilacimis (Ell. & Ev.) 



Murr., H. licnoidcs (Mont.) Murr., H. gilvus (Schw.) Mum, H. 



ftdvitinctus (B. & C.) Mum, H, hispidulus (B. & C.) Murr. [see 



Bull. Torrey Club 31 : 415-419. 1 904]. 



