WEST VIRGINIA GEOLOGICAL SURVEY 93 



D, PLATYSTOMA (Scliw.) Berk. 



On Magnolia Fraseri, Feb. 8, 1894 [Niittall, 1380, 342). 

 D, viRESCENS (Schw.) Cooke. 



On Qiicrcus, Aionongalia : near Alorgantown {Sheldon). 



DIATRYPELLA C. & DeNot. 

 D. VERRUCIFORMIS (Elirli.) Nits. 



On Alniis nigosa, Nov. 20, 1893 {Nuitall, 1258). 



ROSELLINIA DeNot. 

 R. AguiLA (Fr.) DeNot. 



On dead limbs, March 21, 1893 {Nuttall, 919, 19). 

 R. coRTicuM (Schw). Sacc. 



On dead oak, alt. 1,800 ft.. Short Creek. Spores 25 to 

 30 X lo to 12.5 II. Dec. 16, 1893 {Nuttall, 13 10). 

 R. suBicuLATA (Schw.) Sacc. 



On dead dry Robinia Pseudacacia, July 15, 1893. Per- 

 ithecia clustered or connate, each 3 to 5 /x, black, ostiola 

 papillate. Spores 9 to 12.5 x 5 to 6 /* somewhat inequilateral, 

 elliptical, colored {Nuttall, 1129). 

 R. puLVERACEA (Ehrh.) Fckl. 



On dead wood, Nov. 1893. Spores 10 to 15 x 7 to 9 |U 

 {Nuttall, 1338). Monongalia, on hickory log near Uffing- 

 ton; on Platanus near Marilla (Sheldon). 



R. MILLEGRANA (Schw.) SaCC. 



On dead Platanus occidcntalis, Aug. 2, 1893 {Nuttall, 

 1161). 



R. ABIETINA TRICHOTA C. & Ell. 



On Pinus Virginiana, Jan. 7, 1895 (Nuttall, 1784, 675). 

 BOMBARDIA Fr. 



B. FASCICULATA Fr. 



On wet dead limb, Magnolia Fraseri, on ground, Sept. 

 16, 1895 (Nuttall, 1830). 



ANTHOSTOMA Nits. 

 A. MiCROECiUM E. & E., Proc. Phila. Acad., 344 (1894). 



Type habitat: On dead limbs Asimina triloba, Feb. 12, 

 1894 (Nuttall, discov. 1377). 



Stroma cortical, faintly circumscribed, i to 1.5 mm. diam- 

 eter, orbicular, convex. Perithecia 4 to 8 in a stroma, glo- 

 bose, minute (200 to 250 /x), circinate, necks slender, short, 

 converging, with the minute papilliform ostiola erumpent 

 in a small, black, hemispherical disk, which barely pierces 

 the pustuliform-elevated epidermis, and is closely embraced 

 by it. Asci cylindrical. 80 to no x 8 to 10 /x, paraphysate 



