June, 1911.] The Known Polyporaeeae of Ohio. 363 



53. Hapalopilus rutilans (Pers.) Murrill, Bull. Torr. Club 31: 



410. 10U4. 

 Boletus rutilans Pers. 



The same as Pol3"porus nidulans Fr. Not common. On 

 dead deciduous wood. 



54. Hapalopilus gilvus (Schw.) Murrill, Bull. Torr. Club 31 : 418. 



19U4. 

 Boletus gilvus Schw. 



Known as Polyporus gilvus Schw. Common on dead 

 deciduous wood, especially beech. In very young specimens 

 the pileus is often covered with a purplish tomentum which 

 disappears with age. The pileus is generally rough and of a 

 tawny color. The hymenium is darker in color than the 

 pileus. The plant is generally found imbricated but is 

 frequently found singly. 



55. Ischnoderma fuliginosum (Scop.) Murrill, Bull. Torr. Club 



31 : GUG. 1904. 

 Boletus fuliginosus Scop. 



Known as Polyporus resinous Schrad. A handsome 

 fungus with dark pileus. When young the plant is soft and 

 fleshy and filled with a colored juice. As the plant gets 

 older the pileus becomes harder. The pore surface is pallid 

 and turns immediately to brown when touched. The 

 pores are very minute. Common from October until 

 December on dead deciduous logs. 



Illustrations: Fries, Ic. Hymen, pi. 4S3, f. 2; Hard, p. 

 403, f. 331. 



56. Antrodia mollis (Sommerf.) Karst. Medd. Soc. Faun. Fl. 



Fenn. 5 : 40. 1879. 

 Daedalea mollis Sommerf. 



Known as Trametes mollis (Sommerf.) Fr. and as T. 

 cervinus Pers. A sessile or resupinate form on dead wood. 

 Not common. 



57. Inonotus hirsutus (Scop.) Murrill, Bull. Torr. Club 31 : 594. 



1904. 

 Boletus hirsutus Scop. 



Reported by Morgan as Polyporus endocrocinus Berk. 

 Also known as P. hispidus (Bull.) Fr. On trunks of deciduous 

 trees. Rare in Ohio. 



Illustrations: Bull. Herb. Fr. pi. 210; vSow. Eng. Fungi 

 pi. 345. 



58. Inonotus dryophilus (Berk.) Murrill, Bull. Torr. Club 31: 



597. 1904. 

 Polyporus dryophilus Berk. 



Very rare. Always found on oak wood. 



