Poria semitincta (Peck) Sacc. 



1 Specimens from the type collection, x i. 



a Growing on the surface of a dead fallen leaf. 

 b Growing on rotten wood. 



2 Specimen in New York State Museum herbarium, collected at 



South Bethlehem, N. Y. x i. 



3 Microphotograph of vertical section through hymenium. x i6o. 



4 Single hypha from the trama. 



5 Hyphae from the subiculum and the growing margin. This type 



also represented in the trama. 



6 Mature spores. 



154 



