174 THE FOLYPOBACEAE OF WISCONSIN. 



PLATE IX. 

 Fomes. 



Fig. 30. — Fomes fomentarius (Linn.) Fr. o, surface of pileus: 6, section. On 

 birch. 



Fig. 31. — Fomes applanatus. (Pers.) Wallr. Unusually thick ungulate form. 

 Section on birch. Bangor, May. 



Fig. 32. — Fomes lucidus (Leys.) Fr. a, edge view of short stiped pilei; B, par- 

 tially abortive long stiped form; c, pores and malformation of 

 hymenium. On hemlock. (Tsuga canadensis) . Crandon, August. 



