Page:The Living Flora of West Virginia and The Fossil Flora of West Virginia.pdf/67

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WEST VIRGINIA GEOLOGICAL SURVEY 43 S. VULGARE Tode? On fallen dead leaves, Short Creek, July 25, 1893 (Nuttall, 1137, 120). PILACRE Fries. P. GRACILIPES E. & E., Proc. Phila. Acad., 1894, 386. TYPE HABITAT: On rotten wood. Short Creek, alt. 1,750 ft., Dec. 16, 1893 (Nuttall, discov. 1219, 274). Scattered, stem slender, white-pruinose, 3 mm. long, 25 to .33 mm. thick, Head hemispherical, olivaceous, about I nim, diaineter. Fertile lyphæ hyaline, dichotomously branched, 2 to 2.5 # thick, bearing the conidia laterally. Conidia globose or subglobose, yellow-brown under the microscope, 4 to 5.5 i diameter. Smaller and of a more slender growth than P. Petersii B. & C. P. PETERSII B. & C. On Acer saccharum and ller opaca, Feb. 10, 1894 (Nuttall, 1371). On Magnolia Fraseri, Nov., 1895. ISARIA Pers. I. VIRGINIENSIS E. & E. Proc. Phila. Acad., 1893, 465. TYPE HABITAT: On the young stroma of Hypo.rylon rubiginosum? June 30, 1893 (Vuttall, discov. 1109, 95, 102). Stromata gregarious, simple, slender-clavate, 1.5 to 2 mm. high. Yellowish-white, obtuse and subcapitate at the apex, curved, often decumbent, clothed nearly to the base with spreading, hyaline, dendroid, 1.5 to 2 # branching hyphæ (sporophores) 40 to 45 x 2.5 u their tips often toothed and bearing i to 4 elliptical or ovate, hyaline 3-5 x 2.5 conidia. Analogous to l. umbrina Pers (Institale acariforme Fr.), but differs in several respects. I. CLAVATA Ditm. On dead sticks on ground, June, 1893 (Nuttall, 1110). CERATIUM A. & S. C. HYDNOIDES (Jacq.) Alb. & Schw. On rotten log, June 10, 1893 (Nuttall, 976). SPOROCYBE Fr. S. RHOIS (B. & C.) Sacc. On Rhus copallina, March 24. 1894, spores 7.5 x 2 to 2.5 p. On Rhus hirta, March 28, 1894, spores 10 X 2.5 # (.Vuttall, 1430). S. AZALEAE (Peck) Sacc. On capsules of Rhododendron marimum, Dec. 12. 1893. Digfized by Google