No. 14.] FLOWERING PLANTS AND FERNS. 4I 



Potamogeton Oakesianus Robbins. 



Rare. In ponds: Stafford (E. L. Morris), Middlebury 

 (Harger). Aug. 



Potamogeton epihydrus Raf. (living on the water). 

 Potamogeton Nuttallii C. & S. 

 Potamogeton pennsylvanicus Willd. 



Common. Ponds and slow or swift running streams. 

 June — Aug. 

 Potamogeton epihydrus Raf., var. cayugensis (Wiegand) 



Benn. 

 Potamogeton Nuttallii C. & S., var. cayugensis Wiegand. 



Rare. Lyme, in Selden's Cove (Graves & Bissell), Ham- 

 den, in Lake Whitney (Eames). July — Aug. 



Potamogeton alpinus Balbis (alpine). 

 Potamogeton rufescens Schrad. 



Rare. Plainville, in cold spring water near Hamlin's Pond 

 (Andrews & Bissell). July — Aug. 



Potamogeton americanus C. & S. 

 Potamogeton lonchites Tuckerm. 

 Potamogeton fluitans Gray's Manual ed. 6, not Roth. 



Local. In the Connecticut River and adjoining coves and 

 creeks at Lyme (Graves) ; also at New Haven (D. C. Eaton), 

 Hartford (J. W. Robbins, A. W. Driggs), Westport, in the 

 Saugatuck River ; also in the Housatonic River near its mouth 

 and at New Milford (Eames), and at Oxford (Harger). 

 July — Sept. 

 Potamogeton americanus C. & S., var. novaeboracensis 

 (Morong) Benn. 

 Potamogeton lonchites Tuckerm., var. novaeboracensis Mor- 

 ong. 



Rare. Lyme, in deep water at Selden's Cove (Graves & 

 Bissell). July — Aug. 



Potamogeton pulcher Tuckerm. (beautiful; handsome). 



Rare. In ponds: East Lyme, Old Lyme and Lyme 

 (Graves), Bridgeport (Eames). June — July. 



Potamogeton amplifolius Tuckerm. (large-leaved). 



Occasional. Ponds and sluggish streams. July — Aug. 



