[Vol. 13 

 184 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



North Carolina: Chapel Hill, J, N. Couch, comm. by W. C. Coker, 



4257 (in Mo. Bot. Gard. Herb., 57419). 

 South Carolina: Aiken, H. W. Ravenel, in Ellis, N. Am. Fungi, 



934. 

 Georgia: Darien, H. W. Ravenel, in Ravenel, Fungi Am., 225; 



Savannah, C. J. Humphrey, 5109 (in Mo. Bot. Gard. Herb., 



11953). 

 Alabama: Montgomery County, R. P. Burke, 519 (in Mo. Bot. 



Gard. Herb., 57305). 

 Texas: Quitman, W. H. Long, comm. by C. J. Humphrey, 2545 



(in Mo. Bot. Gard. Herb., 9920). 

 Michigan : Ann Arbor, C. H. Kauffman, 34- 

 Idaho: Kooskia, /. R. Weir, 397 (in Mo. Bot. Gard. Herb., 13544) ; 



Priest River, J. R. Weir, 6360 (in Mo. Bot. Gard. Herb., 58449). 

 British Columbia: Kootenai Mts., near Salmo, J. R. Weir, 478 



(in Mo. Bot. Gard. Herb., 63274). 

 New Mexico: Cloudcroft, W. H. Long, 19523 (in Mo. Bot. Gard. 



Herb., 44767) ; Mogollen, G. G. Hedgcock & W. H. Long, comm. 



by C. J. Humphrey, 2559 (in Mo. Bot. Gard. Herb., 9781). 



8. C. arachnoideum Berkeley, Ann. & Mag. Nat. Hist. 13: 

 345. pi 9, /. 3. 1844; Outl. Brit. Fung. 273. 1860; Berk. & 

 Curtis, Grevillea 2: 4. 1873; Fries, Hym. Eur. 649. 1874; 

 Sacc. Syll. Fung. 6: 611. 1888; Massee, Linn. Soc. Bot. Jour. 

 27: 135. 1890; Bresadola, Ann. Myc. 1: 93. 1903. 



Not probably C. arachnoideum as understood by v. Hohnel & 

 Litschauer, and Rea. 



Type: in Kew Herb. 



Fructifications effused, thin, arachnoid, tender, snow-white, 

 forming an even hymenial pellicle in the older, more central por- 

 tions, supported on the loosely arranged arachnoid subiculum 

 which protrudes as a sterile, delicate, web-like margin ; in section 

 100-200 (x thick, not colored, with hyphae very loosely inter- 

 woven, 3-4 (x in diameter, nodose-septate, not incrusted; no 

 gloeocystidia; spores hyaline, even, globose, or subglobose, 4-6 yi 

 in diameter or 6 X 5 [l, 5 X 4 y., 4-4J/ X 3-4 p. 



Fructifications 2-6 cm. long, 1-3 cm. wide. 



On humus of leaf fragments and decaying wood, running over 



