Poria laetifica (Peck) Sacc. 



1 Photograph of specimen from the type material, x i. 



2 Microphotograph of cross section of the hymenium. x i6o. 



Poria macouni (Peck) 



3 Photograph of the single specimen in the type collection, x i. 



4 Hyphae from the trama and the subiculum. 



5 Mature spores. 



6 Microphotograph of cross section of the hymenium showing 



prominent setae, x i6o. 



136 



