1917] 
BURT—MERULIUS IN NORTH AMERICA 353 
sparingly and coarsely granule-incrusted towards the sub- 
stratum; no cystidia; spores hyaline or slightly yellowish 
under the microscope, even, globose-ellipsoidal, 4-53-34 в 
in sectional preparations. 
Fructifications 3-10 em. in diameter. 
On decaying wood and bark of logs of coniferous species 
usually. Canada and Maine to Washington and California, 
and in Jamaiea. August to April. Common. 
This species is well marked by large, yellowish fructifica- 
tions which have their surface merely gyrose-plicate, not be- 
coming porose, by the broad and often slightly colored spores, 
and by the nodose-septate hyphae which are incrusted with 
scattered, large granules in the half of fructifieation towards 
the substratum. The name Merulius fugax should be em- 
ployed for this species, because it is based upon authentic 
specimens, which is not the case for M. molluscus, so far as 
known at present. M. fugax has priority also. 
Specimens examined: 
Exsiccati: Ell. & Ev., Fungi Col, 214, under the name Me- 
rulius ceracellus; de Thümen, Myc. Univ., 2008. 
Sweden: northern Sweden, L. Romell, 385; Stockholm, L. 
Romell, 389, 390; Upsala, C. G. Lloyd, 08429 (in Lloyd 
Herb.). 
Finland: Mustiala, P. А. Karsten, in de Thümen, Мус. Univ., 
2008 
Austria-Hungary: Trento, G. Bresadola. 
Canada: J. Macoun, comm. by J. B. Ellis; Fairy Lake, J. 
Macoun, 41 (in N. Y. Bot. Gard. Herb.). 
Quebec: Hull, J. Macoun, 217 (in N. Y. Bot. Gard. Herb.). 
Ontario: Belleville, J. Macoun, 76, and (in N. Y. Bot. Gard. 
Herb.); Besserers Grove, J. Macoun, 389 (in N. Y. Bot. 
Gard. Herb.) ; Ottawa, J. Macoun, 205 (in N. Y. Bot. Gard. 
Herb.). 
Maine: W. A. Murrill, 2550 (in N. Y. Bot. Gard. Herb.). 
New Hampshire: Chocorua, W. G. Farlow (in Farlow Herb. 
and in Mo. Bot. Gard. Herb., 54973). 
Vermont: Middlebury, E. A. Burt. 
New York: Altamont, E. A. Burt; central New York, L. M. 
