1916] 



BURT THELEPHORACEAE OF NORTH AMERICA VI 229 



lar region and brighter and more intensely colored margin 

 and side next to substratum, and the rope-like hyphal strands 

 next to substratum. The sage-green color given to hymenial 

 tissue by KHO solution is a helpful determinative character 

 in most cases; however, I have two collections which fail 

 to give it, H. coriariiis occurs in Herb. Schweinitz under 

 the name Thelephora punicea Alb. & Schw. The specimen 

 is the No. 676 of Schweinitz, 'Syn. N. Am. Fungi'; it does 

 not agree well with the original description of Albertini and 

 Schweinitz and is not what European mycologists now imder- 

 stand as Thelephora {Hypochnus) punicea. 



Specimens examined: 

 Hungary: A. Kmet, type of H. fidvo-cinctus (in Bresadola 



Herb.). 

 Vermont: Lake Dunmore, W. G. Farlow (in Farlow Herb.) ; 



Middlebury, E. A. Burt, three collections. 

 New York: Greenbush, C. H. Peck, type (in Coll. N. Y. 



State). 

 Pennsylvania: Kittanning, D. R. Sumstine; Bethlehem, 



Schweinitz (in Herb. Schweinitz, under the name Thele- 

 phora punicea). 

 South Carolina: Gourdin, C. J. Humphrey, 3281 (in Mo. Bot. 



Gard. Herb., 43118). 

 Ohio : C. G. Lloyd, 3882, 4199. 

 Wisconsin: Blue Mounds, E. T. S 8. A. Harper, 870. 



19. H. bicolor Atkinson & Burt, n. sp. 



Type : in Burt Herb, and in Cornell Univ. Herb. 



Fructification effused, membrana- 

 ceous, separable, dry, central portion at 

 the surface olive-ocher, underneath 

 brownish drab and extended laterally as 

 a brownish drab margin 1-5 mm. broad ; 

 structure in section about 400/a thick, ^^- ^^ 



(1) with the hyphae next the substra- Spore,' hyp°hax640. 

 tum slightly colored, thin-walled, lax, 

 long-celled, nodose-septate, 3//. in diameter, either loosely 

 interwoven or with some hyphae consolidated together into 



