SOUTHERN POLYPORES 45 



Occasional on buried pine branches in North Carolina. There 

 is little to distinguish this species from P. Montagnei Fries. 



6. COLTRICIA MEMMINGERI Murrill 



Pileus very irregular, circular to dimidiate, convex to plane 

 or depressed, 10 X I cm.; surface fulvous to dark-seal-brown, 

 ornamented with long imbricate scales of the same color; margin 

 alutaceous, pubescent, sterile, subacute, undulate; context 

 corky, fragile, azonate, 0.5-1 cm. thick, thinner towards the 

 margin, concolorous; tubes adnate, 1-4 mm. long, 1-3 to a mm., 

 umbrinous, apparently blackening with age, mouths circular 

 and whitish when young, becoming angular, irregular and 

 concolorous or darker with age, edges entire to dentate; spores 

 ovoid, smooth, light-ferruginous, usually 2-guttulate, 7 X4ju; 

 stipe central or eccentric, at times confluent, very short, thick, 

 angular or flattened, dilated at the base to twice its thickness 

 above, resembling the pileus in color, surface, and substance, 

 1-3 X 3-5 cm. 



Found only on wet clay banks at Flat Rock, North Carolina. 



31. FOMES Gill. 



Hymenophore sessile, ungulate or applanate, epixylousJ 

 surface anoderm or encrusted, sulcate, rarely zonate; context 

 white, wood-colored, or flesh-colored, corky or woody, rarely 

 punky; tubes cylindric, usually thick- walled, stratose; spores 

 smooth, hyaline or subhyaline. 



Context flesh-colored, light-brown in faded specimens. 



Tubes 1-2 mm. long each season; spores ellipsoid. i. F. roseus. 



Tubes 3-5 mm. long each season; spores globose. 2. F. fraxineus. 



Context white or nearly so. 



Pileus less than 3 cm. broad. 3. F. scutellatus. 



Pileus more than 3 cm. broad. 



Pileus encrusted; surface darker than the context. 



Pileus thin, distinctly zonate, irregular or applanate; 



crust brown to black. 4. F. annosus. 



Pileus thick, sulcate, ungulate, rarely applanate. 5. F. ungulatus. 



Pileus rarely encrusted; surface concolorous with the 



context. 



Tubes white, concolorous, the mouths glistening. 6. F. populinus. 



Tubes smoky at maturity, darker than the context, 



not over 3 mm. long. 7. F. Meliae. 



Tubes light-brown, strongly contrasted with the 

 white or yellowish context, and i cm. or more in 

 length. 8. F. geotropus. 



