HYDNACEAE 



483 



Fig. 159. Polyporales, Family Hydnaceae. Hydnum imbricatum L. ex S. F. Gray. 



(Courtesy, M, B. Walters.) 



tough and sometimes woody, dark-colored, spores shaped as in Hydnum, 

 brown or subhyahne. (Fig. 159.) 



Usually placed in this family is the genus Hericium Pers. ex S. F. Gray 

 (Dryodon Quel, Manina Scop, ex Banker). This is fleshy and unbranched 

 or more often branched, with subulate spines mostly long and pendent. 

 Spores spherical or subspherical and amyloid (i.e., walls staining blue 

 with iodine). In H. coralloides Pers. ex S. F. Gray the pileus is but little 

 developed, the fruit body consisting essentially of branching stalks 

 bearing at their tips pendent tufts of pointed teeth. The writer questioned 

 in 1935 whether such a fungus belongs in this family at all and suggested 

 that it might be more closely related to the Clavariaceae. Singer (1936) 

 suggests its origin from much branched species of that family with which 



