(Vor. 5 
352 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
tinguished from the latter species by the somewhat sulphur- 
yellow margin and subiculum which forms a broad hyphal 
layer destitute of setae between the subhymenium and the sub- 
stratum; the spores of H. epichlora are shorter than those of 
H. corrugata and the setae are fewer and smaller. 
Specimens examined: 
Exsiceati: Ravenel, Fungi Car. 5 : 24, type distribution. 
Alabama: Peters, 6118 (in Kew Herb.), and in Ravenel, 
Fungi Car. б: 24. 
Louisiana: Abita Springs, 4. B. Langlois, 2647 to Ellis, type 
of Hymenochaete asperata (in N. Y. Bot. Gard. Herb., and 
in Mo. Bot. Gard. Herb., 55491); Baton Rouge, Edgerton Фф 
Humphrey, comm. by C. J. Humphrey, 5727; St. Martin- 
ville, A. B. Langlois, al, am. 
Mexico: Jalapa, W. A. € Edna L. Murrill, 338, 344, 345 
(in N. Y. Bot. Gard. Herb., and in Mo. Bot. Gard. Herb., 
54480, 54460, and 54461). 
25. H. dura Berk. & Curtis, Linn. Soc. Bot. Jour. 10 : 334. 
1868; Cooke, Grevillea 8 : 147. 1880; Sace. Syll. Fung. 6 : 596. 
1888; Massee, Linn. Soc. Bot. Jour. 27: 
105. 1890. 
Type: in Kew Herb. and Curtis Herb. 
ae За Fructifications resupinate, orbicular, 
у; P ^2 2, . . = А 
SESS rigid when dry, spongy when moistened, 
AM TJ an SS A 1 
sae SSS drying between wood-brown and Sac- 
/ 
j 
eardo's umber, the margin thick, obtuse, 
paler than the hymenium; in structure 
600-700 yw thick, with the intermediate 
layer bordered on each side by a narrow, 
" dense, dark zone, that on the under side 
connecting the intermediate layer with 
H. dura. 
Section X68. From type. 2 dense hyphal layer 100 џ broad, 
situated on the substratum; hyphae of 
intermediate layer baryta-yellow, 2 ди in diameter, longitu- 
dinally arranged, somewhat loosely interwoven; setae 30-36 
5-6 и, scattered between the hair-like paraphyses which 
they exceed but slightly, terminating in slender, curved, very 
Fig. 21 
