[Vor. 3 
238 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
outer end to form a membranous hymenium; no cystidia; 
basidia with 4 sterigmata; spores concolorous (sometimes 
hyaline under the microscope), globose, echinulate, the body 
4—би in diameter. 
Fruetifieation 2-4 em. long, 1-2 em. broad. 
On rotting pine wood and bark. Canada to Louisiana and 
in Oregon; occurs in Sweden also. August to December. 
The distinguishing characters of H. echinosporus are its 
bright yellow fructifications of somewhat a straw-colored 
yellow, with hyphae and globose echinulate spores of the 
same color. Under the microscope this tint of yellow is 
not very intense and may be unnotieed, and regarded as 
hyaline. Bresadola! regards Corticium echinosporum as а 
synonym of H. pellicula Fr. (—Corticium mollis var pel- 
licula Fr.). The specimen which Karsten has communicated 
to me as Corticium pellicula Fr. has even spores and in- 
erusted hyphae and is a true Corticiwm. It seems best to 
regard H. echinosporus as valid until there is found an 
earlier name supported by an authentic specimen. It is only 
rarely possible to recognize resupinate species of the higher 
fungi from the descriptions alone of the earlier mycologists. 
Specimens examined: 
Exsiceati: Ellis, N. Am. Fungi, 608, under the name Corti- 
cium echinosporwum. 
Sweden: Stockholm, L. Romell, 154. 
Quebec: Hull, J. Macoun, 385. 
Ontario: Ottawa, J. Macoun, 668. 
New York: Freeville, G. F. Atkinson, Bot. Dept. Cornell 
Univ., 3277; Ithaca, G. F. Atkinson, 22762. 
New Jersey: Newfield, J. B. Ellis, in Ellis, N. Am. Fungi, 
608 
Louisiana: Abita Springs, A. B. Langlois, 2638. 
Oregon: Corvallis, W. A. Murrill, N. Y. Bot. Gard., Fungi 
of Oregon, 921, 922 (in N. Y. Bot. Gard. Herb. and in 
Mo. Bot. Gard. Herb., 5690 and 8937). 
29. H. fibrillosus, Burt, n. sp. 
Type: in Burt Herb. 
'Ann. Myc. 1:107. 1903. 
