l62 ROCHESTER ACADEMY OF SCIENCE. [June 27, 



87. Polyporus sulphureus Fr. On trunks of dead trees and 

 stumps. Lyndonville. Sulphur Polyporus. Often forms large masses. 



88. Polyporus Vaillantii Fr. Pk. 24 Rep., p. 79. Vaillants 

 Polyporus. On twigs and logs. Uncommon and variable. Lyndon- 

 ville, Ridgeway. 



89. Polyporus versicolor Fr. Pk. 22 Rep., p. 84. Change- 

 able Polyporus. On dead stumps. Common. Lyndonville, Carlton, 

 Ridgeway, Orleans County. 



MuCRONOPORUS Ellis and Everhart. 



90. Mucronoporus ignarius (Fr.) E. and E. Pol. ignarius 

 Fr. in Pk. t,^ Rep., p. 36. Ridgeway, Orleans County. 



91. Mucronoporus ferruginosus (Schrad.) E. and E. P. 

 ferroginosus in Pk. 26 Rep., p. 70. Resupinate form on limbs of trees. 

 Yates, Orleans Co. 



PoRiA Fr. 



92. Poria contigua Fr. Under-side of rails on ground. Lake 

 Shore, Yates, Orleans Co. 



93. Poria obducens Pers. Pk. 30 Rep., p. 46. Hab. same as 

 No. 92. 



Trametes Fr. 



94. Trametes mollis Fr. On dead branches in woods. 

 Rare. Lyndonville. 



D/EDALEA Pers. 



95. Daedalea Unicolor Fr. Common on stumps, etc. Yates 

 and Ridgeway, Orleans Co. 



Favolus Fr. 



96. Favolus alveolarius (D C). Common on fallen branches, 

 especially of Carya species. 



American Mycologists are at variance in regard to the 

 proper specific name of this fungus. In Bulletin lowaAgric. Coll. 

 Nov. 1884, p. 147 and Ellis N. A. F., No. 604, it is referred to 

 Favolus Europceus Fr. While Morgan in Mycol. Flora Miami Valley 

 refers it to Favolus Canadensis Klotzsch. The plant deserves there- 

 fore more than a passing reference. Stevenson (British Fungi, Vol. 2, 

 page 227) gives the following description of the Genus : 



" Favolus (favus-honeycomb) Fr. Elench, p. 44, Hymenium reti- 

 culate, cellular or alveolate. Alveoli radiating, formed of the densely 

 anastomosing gills, elongated. Spores white (in pairs?). Dimidiate, 



