Page:The Living Flora of West Virginia and The Fossil Flora of West Virginia.pdf/88

64 ТИП WEST VIRGINIA FLORA D. Cercidis E. & E., Proc. Phila. Acad., 1894, 363. Type habitat: On dead limbs Cercis Canadensis, April g, 1894 (Nuttall, discov. 1475,449). Perithecia subseriate, globose, .33 to .5 mm. diameter, slightly sunk in the inner bark and splitting the epidermis with short longitudinal clefts. Sporules elliptical, 20 to 23 X 10 to 15 ц on stout basidia, uniseptate. D. INFUSCANS E. & E., Proc. Phila. Acad., 1894, 363. Type habitat: On bark of dead limbs Fraxinus Ameri cana, April 27, 1894 (Nuttall, discov. 1492, 459). Perithecia ovate-globose, small, 11o to 150 ц diametei, thickly scattered, blackening both the outer and inner sur face of the bark. Ostiolum not conspicuous, obscurely papilliform. Sporules oblong-elliptical, 12 to 15 x 8 to 10 ц scarcely constricted. In D. inquinans West, the sporules and perithecia are larger, and the bark is not blackened within. D. atrata (Desm.) Sacc. On dead limbs Acer Negundo, April 20, 1894 (Nuttall, 465)D. caryiGena E. & E., Proc. Phila. Acad., 1894, 363. Type habitat: On dead limbs Hicoria ovata, May 31, 1894 (Nuttall, discov. 1525). Also Canada (Dearness.) Perithecia subseriate, sunk in the inner bark, covered by the epidermis, which is raised into pustules and ruptured, about .5 mm. diameter, black. Sporules elliptical, brown, uniseptate, scarcely constricted, 15 to 20 x 8 to 10 ц (Pycnidia of Valsa caryigena B. & C). D. Viticola Desm. On Vitis, March 26, 1894. No septum visible in sporules (Nuttall, 1443, 412). D. iLicicoLA Desm.? On Ilex opaca, Dec. 20, 1894. Sporules 22 to 25 x 11 to 13 ¿1 (Nuttall, 1777, 667). D. Rubi Fr. On Rubus cult., Feb. 19, 1895. Sporules 20 x 8 to 12 м (Nuttall, 1789). D. inquinans West. On Fraximis Americana, April 27, 1894 (Nuttall, 1491, 459)D. JUGLANDIS Fr. On Jugians cinerea, April 9, 1894 (Nuttall, 1449). D. Maydis (Berk.) Sacc. On Zea Mays, Aug. 10, 1895. Spores 30 x 4 ц (Nuttall. 1840, 729).