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36 THE WEST VIRGINIA FLORA F. VIRGINIENSE E. & E. sp. nov? TYPE IIABITAT: On living leaves Aster infirmus, June 29, 1894 (Nuttall, discov. 1593, 541). POLYTHRINCIUM Kunze & Schm. P. TRIFOLII Kunze. On Trifolium repens, July 4, 1894 (Nuttall, 1588) CLADOSPORIUM Link. C. HERBARUM (Pers.) Lirik. On Polygonatum biflorum, Menispermum Canadense, and leaves of Rhus hirta, June 28, 1894 (Nuttall, 1564). C. HERBARUM FASCICULARE Corda. On Reseda cult., Jan. 28, 1894. Conidia 15 to 18 x 6 to 7.5 # 1 to 2 septate (Nuttall, 1354). C. NIGKELLUM E. & E., Proc. Phila, Acad., 1893, 463 TYPE HABITAT: On inner bark of Robinsa Pseudacacia railroad ties, Keeney's Creek, Oct. 1893 (Nuttall, discov. 1227, 172). Hyphæ densely tufted, septate, sub-equal, 150 to 200 x 5 to 6 , tufts effused, subconfluent, forining a black, velvety coat extending over the surface of the bark indefinitely, with the same habit as Macrosporium nigrellum C. & E. Conidia smoky-hyaline, becoming pale brown, variable in size, the smaller ones ovate, continuous or uniseptate, 6 to 8 X 5 M the larger ones oblong-elliptical or sub-cylindrical, 2 to 3 septate, 12 to 15 x 5 to 6 Hole C. TRIOSTEI Peck. On living leaves Triosteum perfoliatum, alt. 1,200 ft., July 26, 1894 (Nuttall, 1824). C. EPIPHYLLUM (Pers.) Mart. On dying leaves Robinia Pseudacacia, July 31, 1893 (Nut tall, 1139). C. CORYNITRICHUM E. & E. On leaves of Magnolia Fraseri. Fayette, near Nuttallburg (Nuttall). sp. On dead decorticated limb Magnolia Fraseri, Sept., 1895 (Nuttall, 1853, 739). A most beautiful velvety black form. C. EPIMYCES Cooke. On pileus Polyporus varians, Jan. 25, 1894 (Nuttall.. 1341). C. - Digitized by Google
