i62 REPORT OF NEW JERSEY STATE MUSEUM. 



aaa. Leaves ribbon-]ike, obtuse at the apex. 3-18 dm. long, 2-8 mm. wide, 

 all submerged, branching marine plants from bays, etc., along the coast. 



Zostera marina, p. 166 



POTAMOGETON L. 



Potamogeton oakeslanus Robbins.* Oakes' Pondweed. 



Potamogeton oakesianus Robbins, in Gray's Manual, Ed. 5. 485. 1867 [Eastern 

 Massachusetts].— Gross, Bull. Torrcy Bot. Club XI. 32. 1884.— Britton 

 257. — Keller and Brown 22. 



Ponds in the Pine Barrens and Cape May peninsula and at 

 Tenafly, Bergen Co. (Britton) ; apparently rare. 

 Fr. — Apparently mid-July to mid-September. 



Pine Barrens.— Browns Mills (NB), Hospitality Br. 12th St., Estelville 

 (NB), Folsom, Mays Landing (T). 

 Cape Maj'.— Dennisville (OHB), Town Bank (OHB). 



Potamogeton amplifolius Tuckerm. Leafy Pondweed. 



Potamogeton amplifolius Tuckerman, Am. Jour. Sci. (IL) 6. 225. 1848 

 [Cambridge, Mass.]. — Britton 257.— Keller and Brown 22. 



Ponds and rivers of northern New Jersey extending into the 

 Middle district along the Delaware. 

 Middle District. — Cooper's Creek, Burlington. 



Potamogeton pulcher Tuckerm. Spotted Pondweed. 



Potamogeton pulcher Tuckerman, Am. Jour. Sci. XLV. 38- 1843 [Medford 

 and Stoneham, Mass.].— Willis 60.— Britton 257.— Keller and Brown 22. 



Ponds and streams of the Middle and Coast districts to Cape 

 May. 



Fr. — Late June to late July (apparently). 



Middle District.— Repaupo, Center Square, Elmer (P). 

 Coast Strip.— Toms River (C), Atlantic City, Anglesea. 

 Cape May.— Cape May, Cold Spring. 



Potamogeton epihydrus Raf. Nuttall's Pondweed. 



Potamogeton epihydrus Rafinesque, Med. Repos. H. 5. 354. 1808. [Can- 

 ada]. 

 Potamogeton Pennsylvanicns Britton 257. 

 Potamogeton nuttallii Keller and Brown 22. 



* P. natans, reported as common throughout by Britton and by Keller & 

 Brown, I have been imable to find in sonthern New Jersey, nor have I seen 

 specimens from within our limits. 



