Page:The Living Flora of West Virginia and The Fossil Flora of West Virginia.pdf/115

Rh WEST VIRGINIA GEOLOGICAL SURVEY

PI

V. coRONatA (Hoffm.) Fr. On young, fire-killed Castanea dentata, Nov. 14, 1893 (Nuttall, 1263, 209). V. albopuncta E. & E., Field Mus. Bot., 1:133 (1896). Type habitat : On dead limbs Liriodendron Tulipifera, Oct., 1894 (Nuttall, discov. 1712, 600). Stromato minute (.5 to 7.5 mm.), subseriate, included in the thick epidermis and not penetrating the inner bark, white throughout, and without any distinct circumscribing line. Perithecia 3 to 6 in a stroma, pale slate-color, 11o to 130 u diameter; necks very slender, terminating in minute, subglobose, slate-colored ostiola taridly erumpent around the mar gin of the minute, snow-white, pulverulent disk. Asci clavate cylindrical, 50 X 6 ц, short-stipitate, obtuse above, paraphysate? Spordia biseriate, allantoid, hyaline, moderately curved, 6 to 9 x 1.5 to 2 /1. A beautiful species. The lines of snow-white disks, which barely perforate the ruptured epidermis and are closely sur rounded by its torn and slightly raised margin, present a very neat appearance. V. Abietis Fr. 'On Tsuga Canadensis Short Creek, alt. 1,100 ft., Feb. 2, 1893 (Nuttall, 1349). V. ViTis (Schw.) Fckl. On Vitis sp., March 26, 1894 (Nuttall, 1432). V. PRAESTANS B. & C. On dead twigs Nyssa aquatica, Nov. 14, 1893 (Nuttall, 1247). Spores 10 to 12 X 3 to 4 ¡i. V. Nyssae Cooke. On fire killed Nyssa aquatica, Nov. 14, 1893 (Nuttall, 1689). V. subclypeata C. & Peck. On young fire killed Sassafras Sassafras' Nov. 14, 1893 (Nuttall, 1262, 209). V. ambiens (Pers.) Fr. On Asimina triloba. Cornus florida and Aralia spinosa, Feb. 18, 1894 (Nuttall, 1383). V. Chionanthi E. & E., Proc, Phila. Acad., 340 (1894). Type habitat: On dead limbs of Chionanthus Virgimca, March, 1894 (Nuttall, discov. 1456. 228). Perithecia 4 to 10, globose, .25 to .33 mm. diameter, buried in the unchanged substance of the bark, with convergent necks, terminating in short-cylindrical, obtuse, perforated ostiola erumpent in a close fascicle perforating and slightly raising the bark. Asci clavate, p. sp. 40 to 45 x 8 to 10 ц, 8-spored, paraphysate? Spordia allantoid, hyaline, 12 to 15 x 3.5 to 4.5 ц, biseriate above.