1926] 



BURT THELEPHORACEAE OF NORTH AMERICA. XV 241 



Maine: Kittery Point, R. Thaxter, comm. by W. G. Farlow, 7 (in 



Mo. Bot. Gard. Herb., 55291). 

 Vermont: Grand View Mountain, E. A. Burt; Middlebury, E. A. 



Burt; Rip ton, E. A. Burt, type; Weybridge, E. A. Burt. 

 Massachusetts: Stony Brook, G. R. Lyman, 11$; Waverly, G. R. 



Lyman, 11$. 

 New York: Albany, H. D. House, 1 4.170 and H. D. House & J. 



Rubinger (in Mo. Bot, Gard. Herb., 44721, 8732); Ithaca, 



G. F. Atkinson, 2559a; Sylvan Beach, H. D. House (in N. Y. 



State Mus. Herb., and Mo. Bot. Gard. Herb., 9089). 

 Louisiana: Lafayette, A. B. Langlois, 1764, comm. by W. G. 



Farlow. 

 Missouri: Creve Coeur, B. M. Duggar (in Mo. Bot. Gard. Herb., 



44821). 



51. C. ochraceum Fries, Epicr. 563. 1838; Hym. Eur. 652. 

 1874; Berkeley, Outl. Brit. Fung. 275. 1860; Sacc. Syll. Fung. 

 6: 624. 1888; Bresadola, Fungi Trid. 2: 60. pi 170, f. 1. 1898; 

 Bourdot & Galzin, Soc. Myc. Fr. Bui. 27: 256. 1911; Rea, Brit. 

 Basid. 680. 1922. 



Thelephora calcea var. argillacea Fries, Elench. Fung. 1: 215. 

 1828. 



Type: in Fries Herb. 



Fructifications broadly effused, closely adnate, rather thick, 

 becoming pinkish buff to wood-brown in the herbarium, waxy, 

 even or somewhat papillose, contracting in drying and cracking 

 to the substratum into rectangular masses about 3^-1 mm. in 

 diameter, and showing sides of the fissures composed of firm, 

 dense, agglutinate structure, the margin at first whitish, soon 

 concolorous, thinning out; in section 300-500 (x thick, becoming 

 somewhat zonate or stratose, not colored, composed of erect 

 hyphae densely crowded, interwoven, and so closely glued to- 

 gether that the deeply staining lumen is the distinguishable part ; 

 gloeocystidia, if present at all, so similar to the hyphae in form 

 and diameter that there is no indication of them except in aqueous 

 mounts; spores hyaline, even, 4-6 X 23^-3 J/ (x. 



Fructifications 3-10 cm. long, 1-4 cm. wide. 



On decorticated and sometimes charred limbs on the ground of 



