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NEW YORK STATE MUSEUM 



Polyporus Weinmanni Fr. 



Decaying wood of coniferous trees. Common. Easily known by its 

 strigose pileus and the reddish stains assumed where it is cut or bruised. 



Polyporus borealis ( Wahl.) Fr. 



Dead or decaying wood of coniferous trees, specially of spruce 

 Common. 



Polyporus benzoinus ( Wahl.) Fr. 



Decaying wood of coniferous trees. Vicinity of Lake Placid 

 Atkinson. 



Polyporus pubescens (Sckum.) Fr. 

 Dead wood of deciduous trees and shrubs. Common. 



Fomes pinicola Fr. 



Dead or decaying wood of coniferous trees. Very common and 

 varying much in the color of the pileus. 



Fomes fomentarius (L.) Fr. 

 Dead trunks of deciduous trees, standing or prostrate. Common. 



Fomes applanatus {Pers.) Wallr. 



Dead trunks of deciduous trees. Common. The pileus is generally 

 broader and more flattened than in the preceding species. Its upper 

 suiface is often dusted by the ferruginous colored spores even when there 

 is no source above from which they could have fallen. 



Fomes igniarius (Z.) Fr. 



Dead places in standing trunks of deciduous trees. It is rare to find 

 more than one or two specimens on a single trunk. 



Fomes salicinus {Pers.) Fr. 

 Trunks of yellow birch trees either prostrate or standing. In the latter 

 case the fungus is usually near the base. 



Fomes connatus Fr. 



Trunks and stumps of maple trees. Occasional. The upper surface 

 of the pileus is often overrun by mosses whose green color contrasts 

 strongly with the white color of the fungus. 



