584 PROCEEDINGS OF THE ACADEMY OF [Oct., 



5. Festuca octoflora Walt. 



On dry sandy exposures. 

 Delaware. — Blue Hill. 



6. Stenophyllus capillaris (L.) Britton. 



Probably introduced, on railroad ballast and barren ground. 

 Delaware. — Williamson (A. MacElwee). 

 Chester. — Marshallton (B. Long). 



7. Arenaria serpyllifolia L. 

 On dry sandy banks. 

 Chester. — Sconnelltown. 



