1918] 



BURT THELEPHORACEAE OF NORTH AMERICA. X 351 



Stanwood, C. J. Humphrey, 6395, 7395 (in Mo. Bot. Gard. 



Herb., 42935 and 11042). 

 California: Palo Alto, W. A. Murrill S L. S. Ahrams, 1240 



(inN. Y. Bot. Gard. Herb.). 

 British Columbia: J. Macoun, in Ell. & Ev., N. Am. Fungi, 



1936; Kootenai Mts., near Salmo, J. R. Weir, 494 (in Mo. 



Bot. Gard. Herb., 21796) ; Sidney, J. Macoun, 79, and cm 



unnumbered collection (in Mo. Bot. Gard. Herb., 9967, 



6687). 



24. H. epichlora (Berk. & Curtis) Cooke, Grevillea 8 : 147. 

 1880; Sacc. Syll. Fung. 6 : 596. 1888. 



Corticium epichlorum Berk. & Curtis, Grevillea 1 : 178. 

 1873; Massee, Linn. Soc. Bot. Jour. 27 : 119. 1890.— Hymeno- 

 chaete asperata Ell. & Ev. Torr. Bot. Club Bui. 27 : 50. 1890; 

 Sacc. Syll. Fung. 16 : 188. 1902. 



Type: type distribution in Ravenel, Fungi Car. 5 : 24. 



Fructification resupinate, broadly effused, thin, adnate, 

 cracked, drying Isabella-color to tawny olive, with a thin olive- 

 ocher subiculum forming a slight 

 margin; in structure 75-120 m thick, 0M§'^$MMI 

 with the hyphal layer composed of ^^^^^^§i 

 loosely arranged, ascending, thin- 

 walled hyphae 2^ n in diameter, ^ elchiora 

 colored like the fructification, in section x 68. From type, 

 some places forming a narrow, 



dense zone next to the substratum; setae scattered, 36-45 X 

 4|-5 n, protruding up to 30 n, starting from different levels 

 of the hymenium and subhymenium, tapering upward to a 

 slender point; spores in spore collection white, even, 3^^X 

 2-2| n, flattened on one side. 



Fructifications 5-10x1-3 cm. and broken off at both ends 

 — probably large. 



On bark of dead Symplocos, Vitis, and other frondose 

 woods. Alabama to Louisiana and in Mexico. August to 

 November, 



H. epichlora has some resemblance in aspect to H. corru- 

 gata on account of its cracked hymenial surface but it is dis- 



