POLYPORACEAE log 



(2) Stipe annulate Boletopsis 14: 164 



b. Stipe not volvate or annulate 



(i) Stipe central, tubes usually not discrete from each other 



(a) Spores cylindric, minute tBactroboletus 16: 142 



(Filoboletus) 



(b) Spores globose to fusoid 



X. Pileus and stipe beautifully squarrose-scaly 



Strobilomyces 6: 49 

 y. Pileus and stipe not squarrose-scaly 



(x) Layer of tubes separating readily from the hymenophore 



Boletus 6: 2 



(incl. Suillus, Tylopilus 16: 142) 

 (y) Layer of tubes not separating readily from the hymenophore 

 m. Tubes not discrete from each other 



(m) Tubes radiate; hymenophore mucronate 



Boletinus 6: 51 

 (n) Tubes sinuose or gyrose ; hymenophore smooth 



Gyrodon 6: 51 

 n. Tubes discrete from each other 



Fistulinella 17: loi 

 (2) Stipe lateral ; tubes discrete from each other 



Fistulina 6 : 54 

 2. Pileus gelatinous 



a. Stalked ; spores brown 



(i) Pileus single Rodwaya 16:172 



(2) Pileus many, superimposed on the stipe 



Mycodendrum 9 : 206 



b. Mostly sessile; spores hyaline Laschia 6:404 

 IL Pileus leathery, corky or woody, rarely tough-fleshy 



1. Tubes gelatinous Gloeoporus 6: 403 



2. Tubes not gelatinous 



a. Hymenium covered by a volva-like membrane 



Cryptoporus 17: 125 



b. Hymenium not volvate 



(i) Tubes in several layers; perennial, woody 



Pomes 6: 150 

 (2) Tubes not stratified in layers 

 (a) Tubes typically pore-like 

 X. Tube layer distinct but not separable from the hymenophore ; tough- 

 fleshy to leathery 

 (x) Pileus thick, tough-fleshy, stalked or sessile 



Polyporus 6: 55 



(incl. Laccocephalum 11:87) 

 (y) Pileus thin, coriaceous or membranous 

 m. Pileus stipitate to dimidiate 

 (m) Tubes not spiny inside Polystictis 6: 208 

 (n) Tubes spiny inside Mucronoporus 9:188 



n. Pileus resupinate Poria 6:292 



