172 THE POLYPORACEAE OF WISCONSIN. 



PLATE VIII. 

 Fomes. 



Fig. 28. Fomes ungulatus (Sehaeff.) Sacc. Section of resupinate form=F. 



pini-canadensis Schw. Hazelhurst, August. 

 Pig. 29. Fomes nigricans Fr. a, surface of pileus partly covered with moss; 



6, section. On birch, Star Lake, August, c and d, var. pop- 



ulinus. On poplar, Madison. 



