JAN. 1896.^ FLORA OF W. VIRGINIA MILLSPAUGH & NUTTALL. 89 



Hyphae simple, sparingly branched, twisted above as in B. 

 streptothrix or in Streptothrix atra B. & C. , brown, 80 to 

 100x3 to 4 11., forming numerous small brownish-black tufts, 

 effused or gregarious, on both sides of the leaf. Conidia ellip- 

 tical brown, 5 to 6.5 x 3 to 3.5 p.. 



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

 ia and more dwarfish growth. 



B. vulgaris Fr. 



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

 burrs of Xanthium Canadense, Nov. i, 1893; on pedicels of 

 Ipomcea pandurata, Feb. 17, 1894; on decaying Brassica oleracea, 

 Jan. 18, 1894; on Cicuta maculata, March 18, 1894 {Nut tall, 

 1116). 



HYPHODERMA Fr. 

 H. DESMAZIERI Duby. 



On living leaves Pinus echinata. Wood Co., near Lockhart's 

 Run (MillspaugK). 



VERTICILLIUM Nees. 



V. osteophilum E. & E. , sp. nov. 



TYPE HABITAT: On jaw bone of calf, in woods, Nov. 27, 1894 

 (Nut tall, discov. 1761, 647.) 



Prostrate sterile hyphae yellowish-brown, distantly septate, 

 rough, 6 to 7 //. diameter; fertile hyphae, loosely cespitose, erect 

 septate, smooth, yellowish-hyaline, 7 to 15 ,a diameter, the pri- 

 mary branches alternate, and issuing at right angles, bearing 

 opposite or ternately-verticillate branches, the ulmate division 

 12 to 15 x 4 ,u 3 to 4 in a terminal verticil, with tips often curved 

 and bearing i to 4 terminal, globose, hyaline, 3.5 to 4 /*; con- 

 idia. 



V. puniceum (Cke. & E.) Grev. 



On dead sticks, June, 1893 (Nuttall, 1115). 



TRICHOTHECIUM Link. 



T. roseum (Pers.) Link. 



On dead dried peach on ground; on decaying leaves Ilex 

 vertidllata, Sept. 14, 1893 (Nut tall, 1199). 



CEPHALOTHECIUM Corda. 



C. roseum Corda. 



On old Polyporus pergamenus, Short Creek, alt. 1,300 ft., Nov. 

 10, 1893 (Nut tall, 1260, 205). 



DACTYLIUM Nees. 



D. dendroides (Bull.) Fr. 



On Polystictus versicolor, and apparently checking its develop- 

 ment. Oct. 12, 1893 (Nuttall, 1206). Spores 28 x 10 p.. 



