364 



MURRITX: POLYPORACEAE OF NORTH AMERICA 



Subfamily 2. FOMITEAE 



Hymenophore large, woody, perennial, rarely small or annual ; 

 surface anoderm* or encrusted, usually sulcate, sometimes varnished : 

 context punky or woody, variously colored ; tubes cylindrical, 

 usually thick-walled : spores rounded, smooth or verrucose, hy- 

 aline or brown, cystidia frequently present, surface conidia-bear- 

 ing.in a few species : stipe rarely present, the hymenophore usu- 

 ally being sufficiently elevated by its host 



Annual forms and species in a few genera connect this group 

 with the Polyporcae ; while the tendency at times to produce a 

 daedaleoid hymenium, shown especially in Porodaedalea, connects 

 it with the Agariceae. 



Synopsis of tlie Fomiteae w^itli brown context 



Surface of the hymenophore covered with reddish-brown varnish, 



context corky. 

 Surface of the hymenophore not as above. 

 Context olivaceous. 

 Context brown or dark-red. 



Hymenophore plainly stipitate, simple. 



Hymenophore subsessile, cespitose, arising from a 



common trunk or tubercle. 

 Hymenophore truly sessile, dimidiate or ungulate, simple 

 or imbricate. 



Hymenium labyrinthiform, varying to porose, tubes 



not distinctly stratified. 

 Hymenium porose, tubes distinctly stratified. 



Pileus covered with a horny crust, context 

 punky. 



Pileus not covered with a horny crust, or, if 

 encrusted, context woody. 



r. GanoJerma* 



2. Fomitella, 



3. Amaiivoderma 



4, GlobifonW 



5. Porodaedakii 



6. Elfvingia 



Context dark-purple or black. 



7. PyropoIyportiS, 



8, Nigrofomes, 



I. 



GANODERMA Karst. Rev. Myc 



17 



1881 



Type : 



Q 



Type : 



anoderma flabclliforme (Scop.) Mu 

 1. Ench. Fung. 170. 1886. 



fiabelUforme (Scop.) M 



Hymenophore large, sessile or stipitate, perennial or annual, 

 epixylous ; surface sulcate, covered with reddish-brown varnish : 

 context punky, brown, rarely pallid ; tubes cylindrical, concol- 

 orous : spores ovoid, brown. 



Species : 



tiun Murr., G. siilcaiian 

 Torrey Club 29 : 599-608. 



Tsugae Murr., G. flabdliforme (Scop.) M 

 parvulum Murr., G. Oerstcdii (Fr.) Murr., < 

 sidcaiiun Murr., G. 7iutans (Fr.) Pat. [s( 



s 



ona- 



