[From the Bulletin of the Torkey Botanical Cue, 32 : 633-656. igo6.] 



The Polyporaceae of North America — XIII. The described species 

 of Bjerkandera, Trametes, and Coriolus 



William Alphonso Murrill 



In article XII of this series the above genera were listed and 

 described in their proper order, but the species were omitted for 

 lack of space. The present paper deals with the published spe- 

 cies only of these three genera. 



BJERKANDERA Karst. Medd. Soc. Faun, et Fl. 



Fenn. 5:38. 1879 



Merisma Gill. Champ. Fr. I: 688. 1878. Not Merisma Per- 



soon. 

 Myriadoporus Peck, Bull. Torrey Club 11 : 27. 1884. 



This genus was based on Bjerkandera adusta (Fr.) and six 

 other species, and described as follows : 



" Receptaculum pileatum, sessile, carnoso-lentum, molle, elasticum, anodermeum. 

 Pileus azonus. Hymenium heterogeneum. Pori colorati, integri." 



Merisma of Gillet was based on Merisma imberbe (Bull.) and 

 twelve other species. The name had been previously used by 

 different authors for groups of fungi in which the sporophore was 

 branched. Persoon used it for a group of the Clavariaceae. 



Myriadoporus of Peck was founded upon Myriadoporus adustns 

 Peck, which is only an abnormal form of Bjerkandera adusta 

 (Willd.) Karst., and hence a synonym. 



Synopsis of the North American species 



I. Hymenium smoke-colored when very young, becoming black with age. 



I. B. adusta. 

 Hymenium pallid when very young, becoming more or less smoke-colored with age. 



633 



