1920] 



BURT THELEPHORACEAE OF NORTH AMERICA. XII 



211 



Alabama: Auburn, F. S. Earle, 2301 (in N. Y. Bot. Gard. Herb. 



and Mo. Bot. Gard. Herb., 56292). 

 Indiana: Scottsburg, J. R. Weir, 5836 (in Mo. Bot. Gard. Herb., 



55462). 

 Illinois: Glencoe, E. T. & S. A. Harper, 819, 937. 

 Arkansas: Fayetteville, R. R. Rosen, comm. by L. 0. Overholts r 



5117 (in Mo. Bot. Gard. Herb., 56358). 

 Montana: Missoula, J. R. Weir, 354 (in Mo. Bot. Gard. Herb., 



9435). 

 Washington: Brewerton, E. Bartholomew, comm! by N. Y. Bot. 



Gard. Herb, (in Mo. Bot. Gard. Herb., 4939). 

 Oregon: Grants Pass, J. R. Weir, 8701 (in Mo. Bot. Gard. Herb., 



36742). 



68. S. sulcatum Burt in Peck, N. Y. State Mus. Rept. 54: 

 154. 1901; Lloyd, Myc. Writ. 5. Notes 44: 619. text f. 878. 

 1917. Plate 6, fig. 68. 



Illustrations: Lloyd, loc. cit. 



Type: in Burt Herb., N. Y. State Mus. Herb., and Bresadola 

 Herb. 



Fructification corky, rigid, resupinate or efTuso-reflexed, with 

 the reflexed part becoming glabrous, bister, irregular, deeply and 

 concentrically sulcate; hymenium uneven or somewhat tuber- 

 cular, not polished, drying between light buff and pinkish buff, 

 assuming a reddish color where bruised; in structure 600-1500 /x 

 thick, with the intermediate layer 

 bordered by a dark dense zone on its 

 upper side, and composed of very 

 densely and longitudinally inter- 

 woven, hyaline hyphae 3-3| n in 

 diameter, the hymenial layer be- 

 coming zonate or stratose; no col- 

 ored conducting organs; cystidia 

 incrusted, 30-50X8-12 /; spores 

 white in spore collection, even, sub- 

 globose, 4-6X3-5 p. 



Confluent over areas 3-15X1-8 rt . 



n , . 1A Fig. 39. S. sulcatum. Section 



cm.; reflexed margin 3-10 mm. of hymenial region x 90; cystidia, 



broad. c, and spores, s, X 665. 



