Page:The Living Flora of West Virginia and The Fossil Flora of West Virginia.pdf/170

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THE WEST VIRGINIA FLORA

S. ACERINUM Pers. On living tree trunks, March 7, 1893 (Nuttall, 858). HYMENOCHAETE Lev. H. rubiginosa (Sehr.) Lev. On dead log, March, 1893 (Nuttall, 911). On Robinia pseudacacia, Monongalia : near Morgantown ; on Quercus alba, Preston: near Terra Alta (Sheldon). H. TABAciNA (Sow.) Lev. . On dead twigs, March, 1893 (Nuttall, 910) ; on Acer, Pocahontas: Cranberry Glades (Sheldon). H. CORRUGatA (Fr.) Lev. On decorticated limb Betula lenta, Grant Co., near Bay ard (Millspaugh). On Magnolia Fraseri, Feb. 8, 1894. Setae 38 x 7.5 ц (Nuttall, 1364). H. unicolor B. & С? On Betula lenta, on dead Kalmia latifolia? July 1, 1893 (Nuttall, 1 1 1 1, 96). CORTICIUM Fr. C. SALICINUM Fr. On dead Salix nigra, March 15, 1894 (Nuttall, 1401). C. Oakesii B. & C. On living Ostrya Virginica, March 21, 1893 (Nuttall. 877)C. globIFERUM E. & E. Underside of dead log in deep laurel thicket, Short Creek, March 25, 1893 (Nuttall, 940). C. ARACHNOIDEUM Berk. On dead damp twigs in dense pile, Jan. 18, 1894. Diffused for 30 x 8 cm. Spores 4 to 5 x 2 to 3 /1. The species when fresh has a wrinkled or crusted appearance looking very like a Merulius, but soon becomes flat and plane (Nuttall, 1344, 303)C. radiosum Fr. On dead trunk, partly beneath loose bark. Short Creek, May 18, 1893 (Nuttall, 965). C. leve Pers. On Hamamelis Virginica, Dec. 20, 1894 (Nuttall, 1500). C. albo-flavescens E. & E., Field Mus. Bot., 1:170 (1896). Type habitat : On bark of dead Tsuga Canadensis, Feb. 24, 1894 (Nuttall, discov. 1394). At first orbicular, subpezizoid, 1 to 2 mm. diameter, be coming more irregular in shape and 1 cm. or more diameter, lower stratum milk-white, consisting of loosely interwoven, branching threads, and extending out beyond the pale-oliva ceous or yellowish, membranaceous hymenium so as to form