Shafkr : Vascular Flora ok Allkcheny County. 127 



SELAGINELLACEiE Underwood. 



SELAGINKT,T,.'\ FAMILY. I-io. 



SELAGINELLA Beauvois. 

 * S. apus (Linnreus). Creeping selaginella. 



Fawn Township, Branch of Bull Creek, July, 1895. 

 Harrison Township, Little Bull Creek, near Burtner's stone 

 house, August 25, 1900; John Thorpe. 



