Musci. 



DICRANACEAE. 



PLEURIDIUM Brid. 



P. ALTERNiFOLiuM (Kaulf.) Rab. 



Monongalia : ground on Dorseys Knob near ]\Iorgantown 

 (Andrews). Jefferson: near Harpers Ferry {SidUvant) . 



DITRICHUM Timm. 

 (Leptotrichum, Hampe.) 



D. PALLIDUM (Schreb.) Hampe. Trichostomum pallidum, Hedw. 

 Mercer : on ground, oak woods, Bluefield. McDowell : on 

 clay, open woods, Elkhorn. Monongalia : on clay of open 

 woods, Tibb's Run (Millspaugh, 1458, 1492, 1495, 1500, 

 1598). Fayette : near Nuttallburg (Nuttall). Pocahontas- 

 on fresh soil along a log road near Cranberry Glades (Shel- 

 don, 3743). 

 D. TORTILE (Schrad.) Hampe. 



Fayette: near Quinnimont (Pollard & Maxon, 105). 



CERATODON, Brid. 



C. PURPUREUS (L.) Brid. 



Monongalia : on dry sandstone boulder, JMorgantown ; 

 Tibb's Run (Millspaugh, 1390, 1633). Fayette: near Nut- 

 tallburg (Nuttall). 



DICRANELLA, Schimp. 



D. HETEROMALLA (L.) Schimp. 



Monongalia : on ground under rail fence, The Flats ; on 

 wet coal entrance of coal pit, Georgetown; on ground in 

 woods, Tibb's Run (Millspaugh, 1362, 1378, 1638). Fay- 

 ette: Nuttallburg (Nuttall). 

 D. RUFESCENS (Tourn.) Schp. 



Monongalia : valley of Deckers Creek near Lick Run 

 (Andrezifs) . 



D. vARiA (Hedw.) Schp. 



Monongalia : near the road in the vicinity of Easton 

 (Andrews) . 



