Poria mutans var. tenuis Peck 

 , Microphotograph of vertical section through the hymenium. 



. Sporef found free-floating in sectional preparations (see text). 



3 Encrusted hyphae from the subiculum. 



4 Hyphae from the trama. 



Poria myceliosa Peck 



5 Specimen from the type collection, x i. 



