WEST VIRGINIA GEOLOGICAL SURVEY 33 



A. FLAVUS Lk. 



Also found on Lachnoladiiiin scnik'cstitum neglected in 

 plant press {Xutfall, 1877, 760). 

 Conidia 4 to 6 /x diameter. 



STERIGAIATOCYSTIS Cram. 

 S. NIGRA V. Tiegh. 



On dried peach in garden, Aug. 15, 1893 (Niittall, 1170). 



PENCILLIUM Link. 

 P. GLAUCUM Link. 



On Hydnum sp. and Pol\ponis I'arians, Aug. 16, 1893 

 (Nut tail II 64, 136). 



BOTRYTIS Mich. 



B. OLIVACEA E. & E. Field Mus. Bot., i :88 (i8g6). 



Type habitat: On dead log. Short Creek, alt. 1,800 ft., 

 Feb. 26, 1894 (NnttalL discov. 1411, 381). Fungi Colum- 

 biana, 593. N. A. F.. 3187. 



Forming thin olivaceous patches 2 to 4 cm. in extent, 

 composed of olive-brown, septate threads, about 4 /x, thick, 

 and dichotomously or oppositely branched above, the short 

 (15 to 25 fji) branches sub-attenuated above, and bearing 

 the obovate or elliptical, olive-brown, 6 to 8 x 4 to 4.5 « 

 conidia at their tips. 

 B. torta E. & E., Proc. Phila. Acad., 1894, 375. 



Type habitat : On dead leaves Carcx Frascri, Dec. 10. 

 18;^ (N'uttall, discov. 1248, 257). 



Hyphje simple, sparingly branched, twisted above as in B 

 strcptothrix or in" Strcptotlirix atra B. & C, brown, 80 to 

 100 X 3 to 4 /x. forming numerous small brownish-black 

 tufts, effused or gregarious, on both sides of the leaf. Coni- 

 dia elliptical brown, 5 to 6.5 x 3 to 3.5 /x. 



Differs from B. strcptothrix ( C. & E.) in its much smaller 

 conidia and more dwarfish growth. 

 B. vulgaris Fr. 



On leaves Magnolia Frascri, alt. 2,000 ft., July 12, 1893; 

 on burs of Xaiithiimi Canadensc, Nov. i, 1893; on pedicels 

 of Ipomaca pandurata, Feb. 17, 1894; on decaying Brassica 

 oleracca, Jan. 18, 1894; on Cicuta macidata, Alarch 18, 1894 

 (Nut tall, 1 1 16). 



A^ERTICILLIUM Nees. 

 V. osteophilum E. &: E., Field. Mus. Bot., i 189 (^896). 



Type habitat: On jaw bone of calf, in woods, Nov. 27, 

 1894 (Niittall, discov. 1761, 647). 



