[Vol. 12 

 346 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



and less evidently formed by confluence of several small fructi- 

 fications and with some cystidia near the substratum of greater 

 diameter than those elsewhere. I have seen no spore collections, 

 and it is possible that the spore measurements given above are 

 too small, since they are based on spores found in preparations of 

 sections. 



Specimens examined: 

 Exsiccati: Ravenel, Fungi Am., 454, under the name Corticium 



ochraceum. 

 Canada: Ottawa, J. Macoun, 26. 

 Vermont: Middlebury, E. A. Burt. 



New York: Alcove, C. L. Shear, 1306; Altamont, E. A. Burt. 

 New Jersey: Newfield, J. B. Ellis (in N. Y. Bot. Gard. Herb., 



and Mo. Bot. Gard. Herb., 61338). 

 Maryland: Takoma Park, C. L. Shear, 1358. 

 Virginia: C. L. Shear, 1181. 



South Carolina: Pinopolis, in Ravenel, Fungi Am., 454. 

 Georgia: Atlanta, E. Bartholomew, 8981 (in Mo. Bot. Gard. 



Herb., 63459). 

 Florida: Daytona, R. A. Harper, 5 (in Mo. Bot. Gard. Herb., 



54538). 

 Alabama: Auburn, F. S. Earle (in N. Y. Bot. Gard. Herb., and 



Mo. Bot. Gard. Herb., 63415). 

 Louisiana : Baton Rouge, C. W. Edgerton, 830. 

 Texas: Beaumont, C. J. Humphrey, 5936. 

 Japan: Province Bungo, N. Nakayma, comm. by A. Yasuda, 125 



(in Mo. Bot. Gard. Herb., 59471). 



116. P. argentea Ellis & Everhart in herb., n. sp. 



Type: in N. Y. Bot. Gard. Herb, and Mo. Bot. Gard. Herb. 



Fructifications effused, closely adnate, thin, pallid mouse-gray 

 to drab-gray, pruinose, cracked in drying, the margin darker and 

 thinning out; in section brown and opaque with exception of the 

 hyaline hymenial layer, 150 tA thick, with the hyphae densely 

 interwoven, thick-walled, stiff, 3-33^ y. in diameter, colored as in 

 Hymenochaete, not incrusted; cystidia not incrusted, partially 

 destroyed and rendered nearly invisible by potassium hydrate 

 solution, tapering upward to a point, protruding up to 30 (x, 



