Page:The Living Flora of West Virginia and The Fossil Flora of West Virginia.pdf/71

Rh WEST VIRGINIA GEOLOGICAL SURVEY

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FUSARIUM Link. F. cuLMORUM Smith. On heads of ripe living wheat. Monongalia Co., Laurel Point (Millspaugh). "This specimen combines the characters of a number of so-called species, making it difficult to say which it really is. Probably they are all forms of one species.'' Professor Peck (in letter). F. SARCOCHROUM (Desiu.) Sacc. On Acer Negnndo, April 24, 1894 (Nuttall, 1482, 462). F. AleURiNUM E. & E., Bull. Torr. Club, 24:476 (1897). Sporodochia compact, subtuberculiform-effused and subconfluent, reddish-orange, mycelium white; fertile hyphae erect, ,much branched, branches erect; conidia terminal, fusoid, slightly curved, continuous or faintly 1-3-septate nucleate, 35 to 45 x 2.5 to 3 ц. On wheat flour spilt on the ground and left exposed four months. Fayette, near Nuttallburg (Nuttall). F. Oxydendri E. & E. Bull. Torr. Club 24:477 (1897). Sporodochia tuberculiform, about 1 mm. diameter, slatecolor, subcartilaginous, truncate or concave above, erumpent through, and closely surrounded by the ruptured epidermis; hyphae branched, hyaline, nucleolate (olivaceous in the mass) ; conidia arcuate, nucleate, continuous (as far as seen), 40 to 60 x 2.5 to 3 ц. Allied to F. Schweinitzii Ell. & Hark., but that has conidia oblong, obtuse, 20 to 30 x 6 On Oxydendron arboreum. Fayette, near Nuttallburg, March, 1896 (Nuttall, 827). F. ROSEUM Link. On follicles of Asclepias Syriaca, May 31, 1894. Conidia 55 x 4 ц + 6-septate (Nuttall, 1530, 503). F. ROSEUM Var. nov? On dead fruit of Diospyros Virginicma, Aug., 1895 (Nutt all, 1831, 721). F. SoLANi Mart. Found associated with "black rot" on Tomato fruits that have fallen to the ground. Monongalia Co., at Morgantown, 1891 (Millspaugh). F. sp. On stems of Asparagus officinalis. Oct. 28, 1893. Color, light-pink. Conidia oblong to obovate 7.5 to 10 x 2.5 ц ' (Nuttall, 1239, 1248, 185).