EOS. aia oM 
? y 
1920] 
BURT—THELEPHORACEAE OF NORTH AMERICA. XII 123 
Nebraska: Lincoln, Miss L. B. Walker, 7 (in Mo. Bot. Gard. 
Herb., 44818). 
North Dakota: Fargo, F. J. Seaver, 25, 54 (in Mo. Bot. Gard. 
Herb., 16222, 16637). 
Montana: Helena, F. W. Anderson, 202 (in Mo. Bot. Gard. 
Herb., 21165). 
Colorado: Blind Cañon Placer, C. L. Shear, 1021; Golden, E. 
Bartholomew & E. Bethel, in Bartholomew, Fungi Col., 
2716, and E. Bethel & L. O. Overholts, comm. by L. O. 
Overholts, 1754 (in Mo. Bot. Gard. Herb., 54875); Ouray, 
C. L. Shear, 1187. 
32. S. Pini Fries, Epicr. 553. 1838; Hym. Eur. 643. 1874; 
Sacc. Syll. Fung. 6: 574. 1888. Plate 4, fig. 28. 
Thelephora Pini Fries, Syst. Myc. 1: 443. 1821; Elenchus 
Fung.1: 187. 1828.—Sterellum Pini (Schleich.) Karsten, Finska 
Vet.-Soc. Bidrag Natur och Folk 48: 405. 1889. 
Illustrations: Smith, Brit. Basidiomycetes, text f. 98 E, F. 
Fructifications gregarious, coriaceous-cartilaginous, orbic- 
ular, resupinate, with the margin free and attached by the 
center, shield-shaped, finally bullate, drying rigid, Benzo-brown; 
hymenium wood-brown to Benzo-brown, somewhat pruinose, 
becoming somewhat 
tuberculose; in struc- 
ture 500 y thick, thin- 
ning out towards the 
margin, with the in- 
termediate layer bor- 
dered on each side by 
a narrow, colored zone = = 
and composed of lon- 
gitudinally arranged, 
densely interwoven, Fig. 12. S. Pini. Fructifications, f, natural size; 
hyaline hyphae with eystidia, c, and gloeocystidia, g, X 665. 
walls gelatinously 
modified, the subhymenium olivaceous-colored; cystidia in- 
crusted, 24X8 u, sometimes very few to be found; fusoid or 
irregular gloeocystidia, 30-40X10-15 y, are sparingly present 
in or near the hymenium; spores hyaline, even, curved, 5-6 
x2-2i n 
