WEST VIRGINIA GEOLOGICAL SUR\'EY I47 



a thin sub-fimbriate, white margin. Spores abundant, glo- 

 bose, with a single large nucleus, 4 to 6 /x diameter, slightly 

 colored. 



The hymenium has only a slight tinge of olive and is per- 

 haps better described as light-drab color. 



C. LEPTALEUM E. & E., Field Mus. Bot, i :i70 (i8g6). 



Type habitat : On underside dead sapling Magnolia 

 Fraseri, alt. 1,800 ft. April 11, 1895 (Nuttall, discov. 1803, 

 690). 



Thin, closely adnate, grayish-white, pulverulent, soon 

 cracking into areas 2 to 3 mm. across, with margins incurved 

 so as to resemble the shallow cups of some Peziza. Spores 

 oblong, hyaline, continuous, 10 to 12 x 4 /*, borne on cyl- 

 indrical basidia 30 to 40 x 6 /*, with two stout sporophores. 

 There are also other smaller (immature) ? sporidia, globose 

 (4 to 6 /x) or elliptical, 5 to 7 x 3 to 3.5 /*. The membrane 

 on which the hymenium stands where exposed on the in- 

 curved margin of the pezizoid areas is pale brown. 



C. Petersii B. & C. 



On Betida sp. and Vitis sp., March 21, 1893 (Nuttall, 912). 



C. COLLICULOSUM B. & C. 



On dead logs in laurel thicket. Short Creek, May, 1893 

 (Nuttall, 1088). 



C. PRASINUM B. & C. 



On dead, burned log, Feb. 2, 1894 (Nuttall, 1382, 344). 



C. LILACINO-FUSCUM B. & C. 



On dead limb Hicoria sp., Short Creek, alt. 1,800 ft., 

 March 5, 1894 (Nuttall, 1403). 



C. OCHRACEUM Fr. 



On underside dead log Tsuga Canadensis, May 8, 1893 

 (Nuttall, 931). 

 C. iNCARNATUM (Pers.) Fr. 



On underside dead log and on Ulmus pubescens, April 

 18, 1893 (Nuttall' g22,). 

 C. LiLAciNUM Schroet. 



On firm wood of dead log, March 6, 1894, Short Creek, 

 alt. 1,800 ft. (Nuttall, 1427, 399). 

 C. SUBGIGANTEUM Berk. 



On Hicoria ovata, Dec. 14, 1893. Spores 16 x 5 a* (Nutt- 

 all, 1312, 262). 



C. MARTIANUM B. & C. 



On underside of wet log, Dec. 16, 1893. When fresh, this 

 species is the color of fresh blood. Short Creek, alt. 1,800 

 ft. (Nuttall, 1224, 281) . 



C. SCUTELLARE B. & C. 



On Magnolia Fraseri, Sambucus Canadensis and Pinus 

 Virginiana, Aug. 18, 1893 (Nuttall, 1176, 144). 



