No. 14.] FLOWERING PLANTS AND FERNS. 47 



Rare or local. Lyme, muddy shore of Selden's Cove (Dr. 



E. J. Thompson) ; mud of lower Housatonic River and smaller 



streams- along the coast in Fairfield County (Eames). July — 



Sept. 



Sagittaria subulata (L.) Buchenau, var. (?) gracillima (Wats.) 



J. G. Smith (very slender). 

 Sagittaria natans Michx., var. ( ?) gracillima Wats. 



Rare. East Windsor and Windsor, rock ledges in the bed 

 of the Connecticut River, in 3-6 ft. of water (Bissell). July. 



LOPHOTOCARPUS Th. Durand. 



Lophotocarpus spongiosus (Engelm.) J. G. Smith (spongy). 

 Sagittaria calycina Engelm., var. spongiosa Engelm. 



Muddy tidal shores and meadows. Rare at Old Lyme 

 (Graves) and New Haven (D. C. Eaton, Harger) ; occa- 

 sional, Milford and westward (Eames). June — Sept. 



ALISMA L. Water Plantain. 



Alisma Plantago-aquatica L. (water-plantain). 

 Water Plantain. 



Common. Muddy places and shallow water. July — Aug. 



HYDROCHARITACEAE. FROG'S BIT FAMILY. 

 ELODEA Michx. Water-weed. 



Elodea canadensis Michx. 

 Philotria canadensis Britton. 

 Ditch Moss. 



Frequent. Ponds and slow streams. July — Sept. 



Sometimes so plentiful as to be a nuisance in reservoirs. 



VALLISNERIA L. Tape Grass. Eel Grass. 



Vallisneria spiralis L. (coiled). 

 Eel Grass. Wild Celery. 



Common in the waters of the Connecticut and Housatonic 

 Rivers and their larger tributaries. It also grows in Hatch 

 Pond, Kent (Eames), and in the Thames River at Norwich 

 (W. A. Setchell, Mrs. E. E. Rogers). July — Sept. 



