4 



490 Murrill: Polvporaceae of North America 



anoderm, yellow or brown ; margin acute ; context yellow, fleshy 

 to tough and fibrous, not friable; tubes yellow, regular, minute, 

 thin-walled; spores smooth, hyahne : stipe excentric or lateral 

 with substance and surface like that of the pileus. 



Phaeolopsis Verae-crucis (Berk,) 



Polyporiis Verae-crucis Berk. Ann. Mag. Nat. Hist. lO : Suppl. 



369. //. g-i2. 1843. 



Described from plants collected on the roots of trees at Vera 

 Cruz, August, 1854. Type plants at Kew are in an excellent 

 state of preservation. The context of these herbarium specimens 

 is dark yellowish-orange and the stipe excentric or lateral. 



Subfamily 2. FOMITEAE 



«>-uopHis of ilie Fonilteae witti ^^liite or flesb-colorecl context 



Tubes at first concealed by a volva. I. Cryptoporus. 



Tubes free from the first. 



Surface of hymenophore covered with reddish-brown varnish; 



context corky. 2. Ganoderma, 



Surface of hymenophore not as above, or, if so, context woody. 3. Fonies. 



J. CRVrTOPORUS Shear, Bull Torrey Club 29: 450. 190 



Type : Poly poms volvatus Peck. 



Hymenophore subglobose, sessile, epixylous ; surface smooth, 

 encrusted ; context white, corky ; tubes white, concealed at first 

 by a volva, which breaks at one or more points at maturity ; 

 mouths constricted, discolored ; spores smooth, hyaline. 



Species : C. volvatus (Peck) Shear. [See Bull. Torrey Club 

 30: 423, 424. 1903, 



2. GANODERMA Karst. Rev. Myc. 3^ 17. 1881 



Type : Boletus lucidus Leyss. 

 Placodes Quel. Ench. Fung. 170. 1886. Type: Boletus lucidus 



Leyss. 



G. Tsugae Murr. and a few other species of this genus might 

 be classed w^ith white -fleshed forms, especially in their early stages. 

 [See Bull Torrey Club 29: 599-608. 1902]. 



3. FOMES Gill. Champ. Fr. i : 682, 1878 



Type : Polyporus niarginatus Fr. 

 Fomitopsis Karst. Rev, Myc. 3^ 18. 188 1 Type : Boletus pini- 

 cola Sw. 



