[Vor. 4 
332 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
hyphae minutely incrusted towards the hymenium and not 
regularly nodose-septate. 
Specimens examined: 
Exsieeati: Ravenel, Fungi Am., 428, in Мо. Bot. Gard. Herb. 
copy and in Burt Herb. copy but not in the copy in Farlow 
Herb. 
Vermont: Grand View Mt., Е. A. Burt. 
New York: Albany, Н. Р. House & J. Rubinger (in Mo. Bot. 
Gard. Herb., 16048); Orient Point, R. Latham, comm. by 
N. Y. State Herb., P 66 (in Mo. Bot. Gard. Herb., 43604). 
South Carolina: Aiken, H. W. Ravenel, in Ravenel, Fungi 
Am., 428. 
Alabama: Peters, 1043, cotype (in Curtis Herb.). 
Michigan: New Richmond, C. Н. Kauffman, 45 (in Mo. Bot. 
Gard. Herb., 11278). 
18. M. Ravenelii Berkeley, Grevillea 1: 69. 1872; Saco. 
Syll. Fung. 6: 417. 1888. 
Type: type distribution in Ravenel, Fungi Car. 4: 9. 
Fruetifieation resupinate, effused, 1 mm. thick when dry, 
soft, the margin white, tomentose, and, with the subiculum, 
thiek and spongy; hymenium drying Hay's 
“ brown to dark vinaceous-brown, even at first, 
бег then reticulate-plicate, at length porose with 
nearly equal, angular, shallow pores about 
yi. 16 3 to a mm.; in structure 3 mm. thiek when 
ы аай, wet, composed of loosely interwoven, thick- 
Spores, paraphysis walled hyphae about 4-43 шіп diameter, not 
incrusted, not nodose-septate, which are hya- 
line elsewhere but dark-colored in the sub- 
hymenium and hymenium, and, with the colored, short-celled, 
filiform paraphyses, give the dark color to the hymenium; no 
cystidia; spores hyaline, even, allantoid, 34-4 3-13 и. 
Fructifications 4-12 em. long, 2-6 em. broad. 
On bark of pine and spruce logs. New York and South 
Carolina. August and September. 
М. Ravenelu is distinct from the other resupinate species 
of this genus by its thick structure, dark fructification with 
х 870. 
See pl. 21, f. 15. 
