Sept. 1907] Index to North American Mycology 219 



Hydnum coraceo-membranaceum Schw., syn. of Phellodon cor- 

 aceo-membranaceous q. v. 



Hydnum concrescens Pers., syn. of Hydnelluni concrescens q. v. 



Hydnum coralloides Scop., syn. of Hericium coralloides q. v. 



Hydnum croceum Schw., syn. of Hericium coralloides q. v. 



Hydnum crispum Scop., syn. of Hericium coralloides q. v. 



Hydnum cristatum Bres., syn of Sarcodon cristatus q. v. 



Hydnum cyaneotinctum Peck, syn. of Hydnellum cyaneotinctum 

 q. V. 



Hydnum cyathiforme Schaeffer non Bull., syn. of Phellodon to- 

 mentosus q. v. 



Hydnum daviesii Sowerb., syn. of Steccherinum ochraceiim q. v. 

 Hydnum delicatum Schw. non Klotsch, syn. of Phellodon deU- 



catus q. V. 

 Hydnum erinaceus Bull., syn. of Hericium erinaceus q. v. 

 Hydnum fasciatum Peck, syn. of Phellodon fasciatus q. v. 

 Hydnum fennicum Sacc, syn. of Sarcodon fennicus q. v. 

 Hydnum ferrugineum Fr., syn. of Hydnellum sanguinarium q. v. 

 Hydnum flabelliforme Berk., syn. of Steccherinum rhois q. v. 

 Hydnum flavum Berkeley, syn. of Grandinioides Havum q. v. 

 Hydnum floriforme Schaeffer, syn. of Hydnellum Horiforme q. v. 



Hydnum fuligineo-violaceum Kalch., syn. of Sarcodon fuligieo- 

 violaceus q. v. 



HIydnum graveolens Delastre, syn. of Phellodon graveolens q. v. 



Hydnum graveolens subzonatum Peck, syn. of Phellodon cor- 

 aceo-membranaceous q. v. 



Hydnum hybridum Pers., syn. of Hydnellum Horiforme q. v. 



Hydnum imbricatum L., syn. of Sarcodon imhricatus q. v. 



Hydnum Key to species. [Banker.] Mem. Torr. Bot. Qub, 

 12:106. 13 June 1906. 



Hydnum laciniatum Leers, syn. of Hericium laciniatum q. v. 



Hydnum niger Fries, syn. of Phellodon niger q. v. 



Hydnum ochraceum Pers., syn. of Steccherinum ochraceum q. v. 



Hydnum parasiticum Pers., syn. of Steccherinum strigosum q. v. 



Hydnum plumarium B. & C. in Grev. non Jour. Linn. Soc. syn. 

 ■ of Steccherinum ochraceum q. v. 



Hydnum plumarium B. & C. Jour. Linn Soc. 10:324 [non H. 

 plumarium B. & C. Grev. 1:97], syn. of Steccherinum plu- 

 marium q. V. 



