Shafer : Vascular Flora of Allegheny County. 127 



SELAGINELLACE^ Underwood. 



SELAGINELLA FAMILY. I-io. 



SELAGINELLA Beauvois. 

 * S. apus (Linnaeus). 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. 



