WEST MRGIXIA GEOLOGICAL SURVEY 33 



A. FLAX'US Lk. 



Also found on Lachnoladiuin scinkxstitiiin neglected in 

 plant press (Xiittall, 1877, 760). 

 Conidia 4 to 6 ft diameter. 



STERIG:»IAT0CYSTIS Cram. 

 S. NIGRA V. Tiegh. 



On dried peach in garden, Aug. 15, 1893 {Xiittall, 1170). 



PEXCILLIUAI Link. 

 P. GLAUCUM Link. 



On Hydiium sp. and Poly poms z'arians, Aug. 16, 1893 

 (Xiitfall, 1164, 136). 



BOTRYTIS :\Iich. 



B. OLivACEA E. & E. Field ^lus. Bot., i :88 (1896). 



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

 Feb. 26, 1894 (X'ntfall, 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 /* thick, 

 and dichotomously or oppositely branched above, the short 

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

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

 conidia at their tips. 

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



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

 183 (Xiittall. discov. 1248, 257). 



Hyphse simple, sparingly branched, twisted above as in B 

 streptothri.v or in Streptothrix 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 fi.. 



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

 conidia and more dwarfish growth. 



B. VULGARIS Fr, 



On leaves Magnolia Fraseri, alt. 2,000 ft., July 12, 1893: 

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

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

 oleracea, Jan. 18, 1894; on Cicnta maculata, ]\Iarch 18, 1894 

 (Xiittall, 1 116). 



A'ERTICILLIUAI Nees. 

 V. osteophilum E. & E.. Field. i\Ius. Bot, i :89 (1896). 



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

 1894 (Xiittall, discov. 1761, 647). 



