WEST VIRGINIA GEOLOGICAL SURVEY 29 



Navicula trinodis, Lewis. 



ACHNANTES LANCEOLATA, Brcb. 



Synedra ulna (Nitzsch.) Ehrb. 



NiTZSCHIA AmPHIOXYS INTERMEDIA, Grun. 



M Y X O AI Y C E T A C E AE. 



CERATIOMYXA Schroet. 



C. FRUTicuLosA (Muell.) MacB. (Det. O. F. Cook.) 



Along Delashmeet Creek, Mercer County, altitude 2,090 

 feet, July 25, 1900 (Morris, 946). 



PHYSARUM Pers. 



P. ciTRiNUM Schum. 



On moss, alt. 2,000 feet, Aug. 2, 1893 (Nuttall, 1160). 



P. PULCHERRIMUM B. & R. 



On dead wood, July 25, 1893 (Nuttall, 1133). 

 P. PSITTACINUM Ditm. 



On fruit cones of Magnolia Frascri, alt. 2,000 ft., Aug. 

 12, 1893 (Ntiftall, 1 165). 

 P. siNuosuM (Bull.) Rost. 



On bark of Aralia spinosa, Aug. 16, 1893 (Nuttall, 1154) 

 P. RUFiPES (A. & S.) Morgan. (Determined by O. F. Cook.) 



Along Tugg Creek, Hinton, Summers County, July 10, 

 1900 (Morris, 945). 



LEOCARPUS Link. 

 L. FRAGiLis (Dicks.) 



On Aspidiiim spinulosum and twigs of Tsuga Canadensis, 

 Nov. 25, 1895 (Nuttall, 1888). 



TILMADOCHE Fr. 

 T. NUTANS (Pers.) Rost. 



On dead Aspm'agtis leaves, and dead limbs Magnolia 

 Fraseri, Nov. 4, 1893 (Nuttall, 1264). 



T. GYROCEPHALA (Mout.) Rost. 



On dry bark of Hicoria ovata, living leaves of Hydrangea, 

 etc., Short Creek, alt. 1,300 ft., Aug. 21, 1893 (Nuttall, 

 1168). 

 T. viRiDis (Gmel.) ? 



On dead limbs Magnolia Frascri, Sept., 1895 (Nuttall, 

 1856, 744?) 



DIDYMIUM Schrad. 



D. SQUAMULosuM (Alb. & Schw.) Fr. 



On new timber in mine near the entrance, Sept., 1893 

 (Nuttall, 1342). 



