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WEST VIRGIXIA GEOLOGICAL SURVEY 41 Aralia spinosa, conidia 75 x 20 H (Vuttall, 358). On Rumex obtusifolius, Rhus radicans and Cicuta maculata? (Nuttall). M. - sp. TYPE ITABITAT: On dead stems Polymnia Uvedalia, Nov. 3, 1893 (luttall, discov. 1736, 623). M. ABUTILONIS Speg. On Abutilon Abutilon, July 21, 1895 (Nuttall, 1836). M. - - sp. TYPE HABITAT: On decayed fruit Diospyros Virginiana, April 25, 1895 (Nuttall, discov. 1825, 711). M. ASCLEPIADEUM Cooke? On Asclepias Syriaca, Yov. 3, 1894 (Nuttall, 1730). M. CAUDATUM C. & E. On dead flowers of Yuca cult., Sept. 5, 1894 (Nuttall, 1680, 587). On stems of Phytolacca decandra, conidia 88 x 20 d. M. SAPONARIAE Peck. On Saponaria officinalis, Oct. 6, 1894 (Nuttall, 1695). M, OLIVACEUM E. & E., Proc. Phila. Acad., 1894, 383. TYPE HABITAT: Parasitic on Sphaeropsis Asiminde on dead limbs of Asimina triloba, Varch, 1894 (Nuttall, discov. 1418, 388). Forms a light olive velutinous coat over the pustules of the Sphaeropsis. Hyphæ tufted, yellowish brown (under the microscope), septate, erect, nearly straight or subundulate, 80 to 100 X 4 to 5 H. Conidia obovate or obpiriform, 3 to 5-septate and muriforin, brown, 24 to 38 x 15 to 20 terminal. sessile. Conidia also occur subcubical or subglobose 15 to 20 u diameter with 2 septæ crossing each other at right angles. M. ANTENNAEFORME B. & C. On Celtis occidentalis, Aug. '11, 1894 (Nuttall, 1652). Conidia+95 x 1544. M. - sp. TYPE HABITAT: On pods of Datura Stramonium, Feb. 10, 1894 (Nuttall, discov. 1369, 326). M. TOMATO Cooke? On ripe fruit Lycopersicuin esculentum cult. Spores shorter than described. Sept. 9. 1893 (Nuttall, 1195). Same host Monongalia Co., at Morgantown, prevalent 1891 (Mills paugh). 11. MAYDIS C. & E. On leaves Zea Mays cult., with conidia smaller than de scribed, Nov., 1893 (uttall, 1334, 292). Digitized by Google
