[Vor. 5 
342 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
geneous layer of loosely interwoven, suberect hyphae, with 
setae distributed in outer half of the layer, rather large 
spores, and the occurrence in the United States upon bark 
of Ostrya and Vaccinium arboreum. Von Норте! and Lit- 
schauer in their notes on types in Karsten’s herbarium! re- 
ferred Hymenochaete arida and H. laxa to H. unicolor and 
H. cinnamomea respectively — species with which they have 
nothing in common except color. 
Specimens examined: 
Exsiceati: Ravenel, Fungi Car. 5:25; Fungi Am., 10; de 
Thiimen, Mye. Univ., 512.—in each under the name Corti- 
cium simulans B. & Rav. 
Finland: Mustiala, P. 4. Karsten, authentic specimen and an- 
other specimen communicated by Bresadola; Runsala, P. A. 
Karsten, authentic specimen of Hymenochaetella laxa. 
Sweden: Upsala, C. G. Lloyd, 08425 (in Lloyd Herb., and in 
Mo. Bot. Gard. Herb., 55472). 
Vermont: Middlebury, E. A. Burt. 
New York: Fort Ann, S. H. Burnham, 41 (in Mo. Bot. Gard. 
Herb., 54456). 
South Carolina: Aiken, H. W. Ravenel, in Ravenel, Fungi 
Car. 5: 25, Fungi Am., 10, and in de Thümen, Myc. Univ., 
512. 
Michigan: Ann Arbor, С. H. Kauffman, 32. 
19. Н. unicolor Berk. & Curtis, Linn. Soc. Bot. Jour. 10: 
339. 1868; Cooke, Grevillea 8: 148. 1880; басс. Syll. Fung. 
6:597. 1888; Massee, Linn. Soc. Bot. Jour. 27 : 108. 1890; 
Lloyd, Мус. Notes 41 :572. text f. 780, 781. 1916. 
Н. fuliginosa Berk. & Curtis, Linn. Soc. Bot. Jour. 10 : 335. 
1868; not H. fuliginosa (Pers.) Lév. 
Type: in Kew Herb. 
Fructification resupinate, long and broadly effused, adnate, 
dense, eracked, brittle, sealing off from the wood, drying 
antique brown; in structure 500-700 д thick, composed of a 
very thick, somewhat zonate, setigerous layer and of a thin 
hyphal layer which is often not sharply distinguishable from 
the setigerous layer; hyphae 21-3 шіп diameter; setae scat- 
1 K, Akad. Wiss. Wien Sitzungsber. 115 : 1577, 1578. 1906. 
