June, 1911.] The Known Polyporaceae of Ohio. 365 



65. Fomes roseus (Alb. & Schw.) Cooke, Grevillea 14 : 21. 1SS5. 

 Boletus roseus Alb. & Schw. 



Known as Fomes carneus Cooke. On dead wood not 

 common. 



Illustrations: Nees, Nova Aceta Acad. Leop. Carol. 13: 

 pi. 3; Fries, Ic. Hymen, pi. 180, f. 1. 



66. Fomes fraxineus (Bull.) Cooke, Grevillea 1-1 : 21. 1S85. 

 Boletus fraxineus Bull. 



A rare species for this country, although a few good col- 

 lections have been made, all of which are annual. Generally 

 found on ash trees. 



Illustration: Bull. Herb. Fr. 10: pi. 433, f. 2. 



67. Fomes ohiensis (Berk.) Murrill, Bull. Torr. Club 30 : 230. 



1903. 

 Trametes ohiensis Berk. 



This little fungus (very small for the genus Fomes) is 

 found abundantly on fence posts, rails, pickets, dead spots 

 on certain deciduous trees, and on old structural timber. 

 The pileus becomes black only at the base, and the tubes are 

 longer than in F. scutellatus (Schw.) Cooke with which it 

 is often confused. The hymenium is white and the walls of 

 the tubes are almost as thick as the diameter of the mouths. 



68. Fomes scutellatus (Schw.) Cooke, Grevillea 14 : 19. 1885. 

 Polyporus scutellatus Schw. 



Rare, growing only on the alder in this state. 



69. Fomes fraxinophilus (Peck) Sacc. Syll. Fung. 6 : 172. 1888. 

 Polyporus fraxinophilus Peck. 



This species is found on species of Fraxinus and is a 

 wound parasite. It grows to be very large, specimens 

 having been brought in which were 30 cm. across. It is 

 perennial and most commonly grows from 30 to 40 feet 

 above the ground. The pileus is at first white but becomes 

 black and rimose with age. Common. 



Illustrations: Bull. U. S. Dept. Agr. PL Ind. 32: pi. 2. 

 1903; Hard, p. 421, f. 3.50. 



70. Fomes populinus (Schum.) Cooke, Grevillea 14 : 20. 1885. 

 Boletus populinus Schum. 



Known as F. connatus Gill. Always found at the bases of 

 sugar trees, between the roots, and generally covered with 

 moss. Common. 



Illustrations: Fries, Ic. Hymen, pi. 185, f. 2; Gill. Champ. 

 Fr. pi. 466. 



