1920] 
BURT—THELEPHORACEAE OF NORTH AMERICA. XII 131 
Mexico: Guernavaca, W. A. & E. L. Murrill, 410, 546, 547 (in 
N. Y. Bot. Gard. Herb. and Mo. Bot. Gard. Herb., 54535, 
54581, 54582). 
Japan: Kushiro, A. Yasuda, 64 (in Mo. Bot. Gard. Herb., 
56136). 
35. S. Murrayi (Berk. & Curtis) Burt, n. comb. 
Plate 4, figs. 31, 32. 
Thelephora Murraii Berk. € Curtis, Linn. Soc. Bot. Jour. 
10: 329. 1868; Grevillea 1: 150. 1873; spelling of specific 
name changed to Murrayiin Sace. Syll. Fung. 6: 546. 1888.— 
Stereum tuberculosum Fries, Hym. Eur. 644. 1874; Sacc. Syll. 
Fung. 6:586. 1888; Massee, Linn. Soc. Bot. Jour. 27: 204. 
1890; Romell, Bot. Not. 1895: 70. 1895.—S. pulverulentum 
Peck, Torr. Bot. Club Bul. 27: 20. 1900; Sacc. Syll. Fung. 16: 
187. 1902. 
Illustrations: Lloyd, Myc. Writ. 5. Myc. Notes 62: pl. 148. 
f.1690. 1920. 
Type: in Kew Herb. and Curtis Herb. 
Fructifications corky, adnate, usually resupinate and broadly 
effused, sometimes reflexed, the reflexed upper surface a hard, 
horny crust, not shining, concentric- 
ally sulcate, fuscous-black or aniline- 
black, the margin entire; hymenium 
drying from pale olive-buff to avella- 
neous, tubercular, deeply cracking; in 
structure 300 y thick at first, then be- 
coming stratose and thickening to 800 
-2000 y, composed of densely inter- 
woven, rather suberect hyaline hyphae 
21-4 » in diameter and of very numer- 
ous, hyaline, pyriform vesicular organs : 
15-20X 12-15 y which are distributed AE roo oc Migs 
throughout the whole fructification; no 488, showing vesicular bodies. 
colored conducting organs nor cystidia; 
spores white in spore collection, even, flattened on one side, 
41-5X 23 u. 
Resupinate specimens 1-10 cm. in diameter, becoming con- 
fluent, reflexed part 3-10 mm. broad. 
