-37- 



Common; open sand in backdune. MJM 446 , 578 . 



var. implicatum (Scribn.) Fern. 



Occasional; open sand in backdune. MJM 690 . 



P. virgatum L. Switch Grass 



var. spissum Linder. 



Common; along roadsides and in open sand throughout 

 backdune. MJM 589 . 



PHALARIS L. 



P. arundinacea L. Reed-Canary Grass 



Occasional; on dike surrounding South Pool. MJM 680 . 



PHLEUM L. 



P. pratense L. Common Timothy 



Common; fields and roadsides. MJM 491 . 



PHRAGMITES Trin. 



P. australis (Cav.) Trin. ex. Steud. Reed Grass 

 (= P. communis Trin. in Fernald, 1950.) 



Locally abundant; salt marshes and impoundments 

 809. (Taxonomy follows Clayton, 1968.) 



MJM 



POA L. 



P. angustifolia L. 



Occasional; open ground. Harris 12080 [NEBC] . 



P. annua L. Annual Bluegrass 



Common; disturbed areas and waste places. MJM 408 . 



P. compressa L. Canada Bluegrass 



