Annals 
of the 
Missouri Botanical Garden 
Vor. 7 APRIL-SEPTEMBER, 1920 No. 2-3 
THE THELEPHORACEAE OF NORTH AMERICA. XII: 
" STEREUM 
EDWARD ANGUS BURT 
M ycologist and Librarian to the Missouri Botanical Garden 
Professor in the Henry Shaw School of Botany of 
Washington University 
STEREUM 
Stereum Persoon, Roemer Neues Mag. Bot. 1:110. 1794; 
Obs. Myc. 1:35. 1797, and 2:90. 1799; Fries, Obs. Myc. 
1:274. 1815, Gen. Hym. 14. 1836, Epicr. 545. 1838; 
Hym. Eur. 638. 1874; Berkeley, Brit. Fung. 270. 1860; 
Morgan, Cincinnati Soc. Nat. Hist. Jour. 10:193. 1888; 
Sacc. Syll. Fung. 6:551. 1888; Massee, Linn. Soc. Bot. Jour. 
27:158. 1890; Engl. & Prantl, Nat. Pflanzenfam. (1: 1**): 
123. 1898.—B. Sterea of Thelephora, Schweinitz, Naturforsch. 
Ges. Leipzig Schrift. 1:105. 1822.—****Stereum of Thele- 
phora, Persoon, Myc. Eur. 1:116. 1822.—Includes Podoscypha 
Patouilard in Duss, Fl. Crypt. Antilles Fr. 230. 1904.— 
Includes Lloydella Bresadola in Lloyd, Myc. Writ. 1. Myc. 
Notes 6:51. 1901; Sacc. Syl. Fung. 16:1116. 1902.— 
Includes Bresadolina Brinkmann, Ann. Myc. 7:289. 1909. 
Fructifications coriaceous to hard, stipitate, dimidiate or 
effuso-reflexed; hymenium inferior, not containing setae; inter- 
mediate layer of longitudinally arranged hyphae normally 
present; basidia simple; spores white, even—rough in but few 
instances. 
The species mentioned or described as belonging in Stereum 
1 Issued Dec. 8, 1920. 
AxN. Mo. Bor. GARD., Vor. 7, 1920 (81) 
