Page:The Living Flora of West Virginia and The Fossil Flora of West Virginia.pdf/122

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THE WEST VIRGINIA FLORA Perithecia gregarious, covered by the pustuliform epider mis, about .25 mm. diameter, white inside, depressed-globose, the papilliform ostiolum barely penetrating the epidermis. Asci clavate-cylindrical, short-stipitate, 85 to 90 x 10 to 12 1x, paraphysate, 8-spored. Sporidia biseriate, fusoid, 4nucleate, uniseptate, constricted at the septum, hyaline, 19 to 22 x 4 to 5 ц, mostly a little curved.

MELANCONIS Tul. M. ModONIA Tul. On Caslaitca deittata. Nov. 14, 1893 (Nuttall, 1274, 221). M. Тпллсеа (Ell.) E. & E. On bark of Tilia, in company with Diplodia paraphysata E. & E., Fayette, near Nuttallburg (Nuttall). Monongalia, at Morgantown (Sheldon). HERCOSrORA Tul. H. TlLIAE (Fr.) Tul. On Tilia licterophylla, Feb. 16, 1894. (Nuttall, 1834, 346).

Spores 18 x 7.5 ц

DIAPORTHE Nits. D. Gladioli E. & E. ? On Caulophyllum thalictroides, July 8, 1894. Asci 38 x 5 to 7 ц, spores septate, 4 nucleate, about 10 x 3 1j. (Nuttall, 1603, 553). D. Araliae E. & E., Proc. Phila. Acad., 339 (1894). Type habitat: On Aralia spinosa, Feb. 2, 1894 (Nuttall, discov. 1356, 312). Stroma buried in the wood and circumscribed by a pene trating, black line, elliptical, about 5x4 mm. Perithecia buried in the stroma, few (6 to 10) globose, .5 to .75 mm. diameter, their short-cylindrical ostiola projecting from a black, tubercular disk seated on the surface of the wood and perforating the pustuli form-elevated epidermis, but scarcely rising above it. Asci clavate-cylindrical, 40 to 45 x 5 to 6 ц, paraphvsate. 8-spored. Sporidia biseriate, oblong. 4-nucleate, becoming uniseptate and slightly constricted, hyaline, obtuse, 12 to 13 x 2.5 to 3 /1. Allied to and resembling D. ocularia C. & E. D. (Chorostate) Halesiae E. & E., Proc. Phila. Acad., 339 (1894). ' Type habitat: On dead limbs of Mohrodendron Caro linum, May, 1894 (Nuttall, discov. 1541). Perithecia 4 to 8, loosely circinate. .75 mm. horn-color inside, becoming nearly black, sunk in the wood, necks con verging with their obtuse, smooth, hemispherical ostiola