1926] 



BURT THELEPHORACEAE OF NORTH AMERICA. XV 249 



must then be cautiously separated from C. confluens and Hypoch- 

 nus pallescens which may have the same aspect. The very 

 numerous imbedded chlamydospores and elongated gloeocystidia 

 of C. effuscatum are its characters for such separation. 



Specimens examined: 

 Exsiccati: Ellis, N. Am. Fungi, 1208. 

 Newfoundland: Bay of Islands, A. C. Waghorne, 1014 (in Mo. 



Bot. Gard. Herb., 4805). 

 Canada: /. Macoun, 16; Lower St. Lawrence Valley, J. Macoun, 3. 

 Ontario: Ottawa, J. Macoun, I55. 

 Quebec: Ironsides, J. Macoun, 280. 

 New Hampshire : Chocorua, W. G. Farlow, E (in Mo. Bot. Gard. 



Herb., 55001). 

 New York: Ithaca, G. F. Atkinson, 1002, 2113; North Greenbush, 



H. D. House, 14.236 (in Mo. Bot. Gard. Herb., 44735) ; Staten 



Island, W. H. Ballou; Tyre, C. H. Peck (in N. Y. State Mus. 



Herb., and Mo. Bot. Gard. Herb., 57718); Westport, C. H. 



Peck (in N. Y. State Mus. Herb., and Mo. Bot. Gard. Herb., 



57770), and 1; White Plains, W. H. Ballou, 1, 2 (in Mo. Bot. 



Gard. Herb., 55623, 55628). 

 Pennsylvania : West Chester, Everhart & Haines, in Ellis, N. Am. 



Fungi, 1208. 

 Oistrict of Columbia: Washington, C. L. Shear, 1262. 

 Georgia: Tipton, C. J. Humphrey, 162. 



Louisiana: A. B. Langlois, 24-9; St. Martin ville, A. B. Langlois, Z. 

 Ohio: C. G. Lloyd, 3824. 

 Illinois: Bluff Lake, L. H. Pammel (in Mo. Bot. Gard. Herb., 



60655). 

 Missouri: Creve Coeur, E. A. Burt (in Mo. Bot. Gard. Herb., 



19458, 44071); Rose Hill, L. H. Pammel (in Mo. Bot. Gard. 



Herb., 60656); St. Louis, L. H. Pammel, comm. by Farlow 



Herb.; Upper Creve Coeur, E. A. Burt (in Mo. Bot. Gard. 



Herb., 54775). 

 Idaho: Priest River, J. R. Weir, 53. 



British Columbia: Vancouver Island, Cedar Hill, J. Macoun. 

 Washington: Arlington, C. J. Humphrey, 7611 (in Mo. Bot. 



Gard. Herb., 10750); Kaiama, C. J. Humphrey, 6160. 



