161 



Phms echinata Mill. Between Georgetown and Laurel. 



Finns taeda L. Abundant everywhere. 



Taxodium distichuni (L.) L. C. Rich. Between Bethel and 

 Laurel ; a number of trees, one at least four feet in diameter. 

 No fruit seen. 



Chamaecyparis thyoides (L.) B.S.P. Bethel, Millsboro. Not 

 common. 



Potainogeton pulcher TnckQvm. Morris Pond. 



Naias gracillima (A. Br.) Morong, Pond north of Rehoboth. 

 Mill pond at Milford. 



Erianthiis compactus Nash. Hammock east of Georgetown, 



Manisiiris riigosa (Nutt.) Kuntze. Ellendale ; abundant along 

 railroad ditches and in damp meadows. Hammock east of 

 Georgetown. 



Andi'opogon argyraeus Schultes. Dry sand, Rehoboth. Mills- 

 boro. 



Paspalwn plenipilum Nash ? Georgetown and Ellendale. 



Aiuphicarpon Amphicarpon (Pursh) Nash. Ellendale, very 

 abundant. 



Bmchiaria digitarioides (Carpenter) Nash. Millsboro. 



Sacciolepis gibba (Ell.) Nash. Borders of pond north of Re- 

 hoboth. Millsboro. 



Chaetochloa magna (Griseb.) Scrib. Near Smyrna Landing. 



Heleochloa schoenoides (L.) Host. Smyrna Landing. 



Sporolobiis Torreyanus (R. & S.) Nash. Ellendale. 



Gymnopogon ambiguus (Mx.) B.S.P. Ellendale. 



Eragrostis refracta (Muhl.) Scrib. In water, east of George- 

 town. 



Cyperus microdontus Torr. In field east of Georgetown. 

 Smyrna Landing. 



Cyperus pseudovegetus Steud. Damp soil, Georgetown and 

 Ellendale. 



Eleocharis imitata (L.) R. & S. In water, common in eastern 

 Delaware. 



Eleocharis Robbinsii Oakes. Morris Pond and Milford. 



Eleocharis tortilis (Link) Schultes. In a wood east of George- 

 town. Millsboro. 



