Hydnaceee 



SlSTOTREMA. 



Pileate; fleshy, central-stemmed, teeth flattened, irregular, inferior. 

 (No edible species reported.) 



IRPEX. Page 504. 



Resupinate; teeth rather acute, springing from folds or ridges that 

 often anastomose irregularly. 



RADULUM. 



Resupinate; tubercles coarse, deformed, subcylindrical, obtuse. (No 

 edible species reported.) 



PHLEBIA. 



Resupinate ; hymenium covered with folds or wrinkles, having the 

 edge entire or corrugated. (No edible species reported.) 



GRANDINIA. 



Resupinate; hymenium with crowded, globose, persistent, hemi 

 spherical, minute granules, having their apices more or less excavated. 

 (No edible species reported.) 



POROTHELIUM. 



Resupinate ; hymenium with scattered wart-like granules, which be- 

 come more or less elongated and excavated at the apices. (No edible 

 species reported.) 



ODONTIA. 



Resupinate ; hymenium densely covered with small granules that are 

 divided at the apices in a penicillate manner. (No edible species re- 

 ported.) 



KNEIFFIA. 



Resupinate; hymenium covered with very minute, barren, acute 

 spinules. (No edible species reported. ) 



MUCRONELLA. 



Spines slender, elongated, acute, not springing from a sporophore or 

 subiculum. (No edible species reported.) 



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