[Vol. 13 

 180 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Type: in N. Y. Bot. Gard. Herb. 



Fructifications widely effused, adnate, rather thick, tender, 

 small pieces separable when moistened, white, cream-buff or 

 pinkish buff, even, pulverulent or waxy, rarely cracked, the 

 margin white, byssoid; in section 200-500 \l thick, not colored, 

 composed of loosely interwoven, thin-walled, nodose-septate 

 hyphae 3-5 y. in diameter and usually numerous chlamydospores ; 

 no gloeocystidia; basidiospores white in spore collection, even, 

 subglobose, 5-7 X 4J^-6 y.; chlamydospores of about the same 

 dimensions. 



Fructifications 3-10 cm. in diameter. 



On bark and wood of frondose species decaying on the ground. 

 In Europe, from Canada to Texas, westward to British Columbia 

 and California, and in Mexico and Japan. July to March. 

 Common. 



C. vellereum is distinguished among our species of Corticium by 

 the presence usually of very numerous chlamydospores and by 

 the absence of gloeocystidia. This is true of C. punctulatum, but 

 the latter is more hypochnoid in surface and occurs on pine. 



Specimens examined: 

 Sweden : L. Romell y 44> 

 France: St. Priest, H. B our dot , 15749, authentic specimen of 



C. Bresadolae. 

 England: Winchester, F. Escombe, comm. by E. M. Wakefield 



(in Mo. Bot. Gard. Herb., 4038). 

 Canada: J. Macoun, 652, comm. by W. G. Farlow (in Mo. Bot. 



Gard. Herb., 7457); Ottawa, J. Macoun, 8, 43, 180, and 281 



(in N. Y. State Mus. Herb., and Mo. Bot. Gard. Herb., 57455); 



St. Lawrence Valley, J. Macoun, 25. 

 New Hampshire: Chocorua, E. A. Burt. 

 Vermont: Middlebury, E. A. Burt; Abby Pond, Ripton, E. A. 



Burt. 

 Massachusetts: Magnolia, W. G. Farlow. 

 New York: Albany, H. D. House (in N. Y. State Mus. Herb., and 



Mo. Bot. Gard. Herb., 59689); Hudson Falls, S. H. Burnham, 



13 (in Mo. Bot. Gard. Herb., 44004); Ithaca, G. F. Atkinson, 



22971; Jordan, E. Brown, 179 (in N. Y. Bot. Gard. Herb., and 



Mo. Bot. Gard. Herb., 61451); Van Cortland Park, New York 



