48 THE WEST VIRGIXIA FLORA 



:\J1CR0CERA Desm. 



M. ERUMPENS E. & E., Proc. Phila. Acad., 1894, 386. 



Type habitat : On dead limbs of Tsuga Canadensis, 

 March,. 1895 {Nuttall, discov. 1398, 371). 



Sporodochia scattered, depressed-globose, .5 mm. diam- 

 eter, at first covered by the epidermis, raising it into little 

 whitish pustules, then erumpent and closely embraced by 

 the ruptured epidermis, at first orange-red, then becoming 

 nearly black, and finally leaving subcupuliform cavities in 

 the bark, when dry. Conidia falcate to fusiform, multinu- 

 cleate, and finally three or more septate, 60 to 83 x 3 to 4.5 

 jA. hyaline, narrowing to a slender point at each end, borne 

 on short sporophores (20 to 35 /*), which are more or less 

 branched above. 



Differs from M. coccophila Desm. in the shape of the 

 sporodochia and their subcuticular origin. 



(The additional description, incorporated in this relation 

 of the specific characters, is by E. & E.) 



EPICOCCUM Link. 



E PURPURASCENS Ehrenb. 



On cardboard box in grass, April 13, 1894 {Nuitall, 1453). 

 E. NEGLECTUM Desm. 



On living leaves of Avena sativa and Catalpa Catalpa, 

 Monongalia Co., at Morgantown, i8gi (Millspaugh). 



E. DURIAEANUM Mont. 



Underside of outer bark of Robinia Pseudacacia, Nov. 10, 

 1893 (Nuttall, 1285, 229). 



EPIDOCHIUM Fries. 



E. MELANOCHLORUM Desm. ? 



On Carex Fraseri, Feb. 11, 1894 {Nuttall, 12,76, 337). 



TRBIMATOSTROMA Corda. 



T. Americana Thum. 



On Salix nigra, March 21, 1894 {Nuttall, 1437, 410). 



HYPHELIA Fries. 



H. TERRESTRIS Fr. 



On damp ground. June 18, 1893 {Nuttall, 1016). 



