Jan. 1896. Flora of W. Virginia — Millspaugh & Nuttall. 135 



DIATRYPE Fr. 

 D. Stigma (Hoffm.) BV. 



On Castanea dcntata, April 15, 1895 {Nuttall, 1799). 



D. platystoma (Schw.) Berk. 



On Mijg?2olta Fraseri, Feb. 8, 1894 {Nuttall, 1380, 342). 



DIATRYPELLA C. & DeNot. 

 D. verruciformis (Ehrh.) Nits. 



On Alnus rugosa, Nov. 20, 1893 {N'uttall, 1258). 



ROSELLINIA DeNot. 

 R aquila (Fr.) De Not. 



On dead limbs, March 21, 1893 {Nuttall, 9x9, 19). 



R. corticium. (Schw.) Sacc. 



On dead oak, alt. 1,800 ft., Short Creek. Spores 25 to 30 x 10 

 to 12.5 //. Dec. 16, 1893 {Nuttall, 1310). 



R. subiculata (Schw.) Sacc. 



On dead dry Robinia Pseudacacia, July 15, 1893. Perithecia 

 clustered or connate, each 3 to 5 /i, black, ostiola papillate. 

 Spores 9 to 12.5 x 5 to 6 ,a somewhat inequilateral, elliptical, 

 colored. [Nuttall, ii2.g). 



R. pulveracea (Ehrh.) Fckl. 



On dead wood, Nov. 1893. Spores 10 to 15 x 7 to 9 // {Nutt- 

 all, 1338). 



R. millegrana (Schw.) Sacc. 



On dead Platanus occidentalis, Aug. 2, 1893 {Nuttall, ri6i). 



R. abietina trichota C. & Ell. 



On Pinus Virginiatia, Jan. 7, 1S95 {Nuttall^ 1784; 675). 



BOMBARDIA Fr. 

 B. fasciculata Fr. 



On wet dead limb. Magnolia Fraseri, on ground, Sep. 16, 1895 

 Nuttall, 1830). 



ANTHOSTOxMA Nits. 



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



Type habitat: On dead limbs Asimijia triloba, Feb. 12, 1894 

 {Nuttall, discov. 1377). 



Stroma cortical, faintly circumscribed, i to 1.5 mm. diameter, 

 orbicular, convex. Perithecia 4 to 8 in a stroma, globose, mi- 

 nute (200 to 250 /Jt), 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 //, paraphysate 8-spored. Sporidia uniseriate, 

 elliptical, brown, continuous, 2-nucle^te, 12 to 14 x 6 to 7 ix. 



Distinguished by its very small stroma and perithecia. 



