Ill 



iiortlieni part of Hntisli America and Alaska, and in tlio elevated 

 reu'ioiit^ al(jn.t? tlie Roeky Mountain chain (nrtlier Sontli. 



Tlie Krysiplieic in this Vol. (pp. 2-30) have lieen eIalK)nitcd and 

 prei)ared \>y Profossoi- 'l\ .1. I5uii'ill, of the University of Illinois, who 

 wishes heie to express his tliaid<s lor eontrilmtions of iiinch service 

 mostly specimens, to the followin<r named li'entlemen, viz.: F. W. 

 Anderson, J. C. Arthur, (leo. F. Atkinson, W. .J, lieal, II. W. Ilurk- 

 ness, W. A. Kellerman, T. II. McHride, L. II. Fammel, C. H. Peck, 

 S. M. Tracy, Wni. Trclease, A. I J. Seymour, and (!eo. P. Clinton. 



Wo regard it as extremely ibrtniiate that Piof. I>. was willinj>- to 

 undertake the editinu' of the Enj><lphe(n, as his previous studies in 

 this dillicult Family have made him sjiecially conii)etent to do the 

 work thorouii'hly. 



The index of uenera and sj)ccies at the end of the volume is the 

 work of our friend W. C. Stevenson, Jr., to whom we are already 

 indebted for the indices of si)ecies and their habitats in the "North 

 American Fungi." 



