o 



66 The Ohio Naturalist. [Vol. XI, No. 8, 



71. Pyropolyporus igniarius (L.) Murrill, Bull. Torr. Club 



30 : IIU. iyU3. 

 Boletus igniarius L. 



Fomes nigricans Fr. is the same plant. A large perennial 

 fungus with a woody pileus which becomes black and rimose 

 with age. Occurring on deciduous trees, but not common. 



Illustration: Gill. Champ. Fr. pi. 290. 



72. Pyropolyporus fulvus (Scop.) Murrill, Bull. Torr. Club 



30 : 112. 1903. 

 Boletus fulvus vScop. 



Listed by Morgan as P. supinus Fr. Also known as Fomes 

 fulvus (Scop.) Gill, and F. pomaceus Pers. Found only on 

 plum trees. Frequent. 



73. Pyropolyporus everhartii (Ellis & Gall.) Murrill. Bull. Torr. 



Club 30 : 114. 

 Mucronoporus everhartii Ellis & Gall. 



Known as Fomes everhartii Ellis & Gall. Generally 

 found on oak wood. Not common. 



Illustration: Jour. Myc. 5: pi. 12. LSS9. 



74. Pyropolyporus robiniae Murrill, Bull. Torr. Club 30 : 114. 



1903. 



Generally known to American mycologists as Fomes 

 rimosus Berk. A wound parasite found onh' on living 

 trunks of Robinia pseudacacia. It is quite a large fungus, 

 and the pileus becomes black and rimose with age. The 

 hynienium is tawny. Common. 



Illustrations: Rep. Mo. Bot. Card. 12: pi. 1-3; Hard, 

 p. 41,S, f. 347. 



75. Pyropolyporus conchatus (Pers.) Murrill, Bull. Torr. Club 



30 : 117. 1903. 

 Boletus conchatus Pers. 



Commonly known as Fomes conchatus (Pers.) Fr. This 

 species is a very variable one, generally found wholly resupi- 

 nate on the under side of dead deciduous logs, especially the 

 oak. It is perennial and the hymenium is a dark chestnut 

 brown. In the pileate forms the pileus is concentrically 

 zoned and black. Common. 



Illustration: Fries, Ic. Hymen, pi. IS."), f. 2. 



ro. Porodaedalea pini (Thore) Murrill, Bull. Torr. Club 32 : 367. 

 190.3. 

 Boletus pini Thore. 



Commonly known as Trametes pini Fr. A parasitic, 

 perennial fungus, easily identified by the black, ungulate 

 surface and yellowish brown hymenium, with more or less 

 labyrinthiform pores. 



