396 THE PLANT LIFE OF MARYLAND 



Sagittaria latifolia var. pubescens (Muhl.) J. G. Smith. 

 Throughout the state; growing with the type. 



Sagittaria lancifolia L. Lance-leaved Arrow-head. 



Confined to the Coastal Zone; in swamps and marshes; infrequent. 

 Somerset County, Mattaponi Landing (1145). 



Sagittaria graminea Michx. 



Coastal and Midland Zones; on muddy flats, about ponds and along 



larger streams; infrequent. 

 Washington County, Hancock (736). 



Sagittaria subulata (L.) Buchenau. 



Coastal Zone; in mud between tides, along fresh estuaries; rare. 

 Wicomico County, Salisbury (1263). 



VALLISNERIACEAE. 



Philotria canadensis (Michx.) Britton. Water-weed, Ditch Moss. 



Coastal and Midland Zones; in ponds and fresh streams; common. 

 Kent County, Tolchester (169S). 



Vallisneria spiralis L. Eel Grass, Wild Celery. 



Coastal and Midland Zones; in ponds and fresh and brackish streams; 



infrequent. 

 Cecil County, Furnace Creek (403). 



GRAMINEAE. 



Tripsacum dactyloides L. Gama Grass. 



Coastal and Midland Zones; in fresh marshes and open moist ground; 



infrequent. 

 Worcester County, Ocean City (1253). 



Erianthus compactus Nash. Plume Grass. 



Coastal Zone; in marshes and moist sandy soil in open situations; 



infrequent. 

 Talbot County, Easton (605). 



Andropogon scoparius Michx. 



Throughout the state; in dry or rock soil. 

 Allegany County, Cumberland (Howard Shriven. 



Andropogon argyraeus Schultes. 



Wicomico County, Salisbury (Robert K. Miller). 



Andropogon furcatus Muhl. 



Throughout the state; in dry soil. 



Garrett County, Mountain Lake Park (1955). 



Andropogon virginicus L. Beard Grass. 



Throughout the state; in dry fields and waste grounds; common. 



