206 TBE POLTPORAOEAE OF WISCONSIN. 



PLATE XXV. 

 Boletus, StroMlomyces. 



Fig. 83. — Boletus felleus Bull, c, pores; e, smaller form growing on rotten 

 wood. Kazelhurst, August. 



Fig. 84. — Boletus castaneus. a, median longitudinal section; 6, pores. Madi- 

 son, July. 



Fig. 85. — StroMlomyces strohilaceus Berk, a, entire. Madison, August. 



