1926 



BURT THELEPHORACEAE OF NORTH AMERICA. XV 263 



Specimens examined: 

 Georgia: Atlanta, E. Bartholomew, 8982, type (in Mo. Bot. Gard. 



Herb., 63463). 

 Alabama : Auburn, Earle & Baker (in N. Y. Bot. Gard. Herb., and 



Mo. Bot. Gard. Herb., 63709, 61479); Montgomery, R. P. 



Burke, 16, 217, 350, 452, 613 (in Mo. Bot. Gard. Herb., 4738, 



57089, 57221, 57275, 57443). 

 Missouri: Baden, E. A. Burt (in Mo. Bot. Gard. Herb., 18864). 



73. C. radiosum Fries, Epicr. 560. 1838; Icones Hym. 2: 97. 

 pi. 198, f. 1. 1884; Hym. Eur. 649. 1874; Sacc. Syll. Fung. 6: 

 611. 1888; Bresadola, I. R. Accad. Agiati Atti III. 3: 110. 1897; 

 Rea, Brit. Basid. 685. 1922. 



Thelephora radiosa Fries, Obs. Myc. 2: 277. 1818; Elench. 

 Fung. 1: 206. 1828; Persoon, Myc. Eur. 1: 130. 1822. 

 Corticium pellicula (Ft.) Karsten, Soc. pro Fauna et Fl. Fenn. 

 Meddel. 11:5. 1885. Corticium alutaceum (Schrad.) Bresadola, 

 I. R. Accad. Agiati Atti III. 3: 110. 1897; v. Hohnel & Lit- 

 schauer, K. Akad. Wiss. Wien Sitzungsber. 115: 1556. 1906. 

 Gloeocystidium alutaceum (Schrad.) Bourdot & Galzin, Soc. 

 Myc. Fr. Bui. 28: 367. 1913. An Thelephora alutacea Schrader, 

 Spic. Fl. Germ. 1:187. 1794? 



Type: type illustration is Fries, Icones Hym. 2: pi. 198, f. 1. 

 1884. No authentic specimen determined, by E. Fries as 

 Thelephora (or Corticium) radiosa is known. 



Fructifications broadly effused, thin, membranaceous, tender, 

 small pieces separable, from whitish to ivory-yellow and cream- 

 buff in the herbarium, even, but little cracked, the margin white, 

 broad, radiating, fibrillose; in section 100-300 y. thick, not colored, 

 composed of densely interwoven, ascending hyphae rather 

 crowded together except where separated by vesicular bodies 

 which become greatly inflated and thin-walled and are finally up 

 to 20-60 X 15 ijl; spores hyaline, even or slightly rough, sub- 

 globose, 4^-7 \l in diameter or 6 X 43^-5 (x. 



Fructifications 3-15 cm. long, 1-7 cm. wide. 



On decaying wood of coniferous species usually. In Europe, 

 Canada to Pennsylvania, and westward to Alaska, British 

 Columbia, and Washington. 



