1 62 REPORT OF NEW JERSEV STATE MUSEUM. 



aan. Leaves ribbon-like, 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. 



Pokimogcion oakeslanus 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 Mao-.— 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. IL 5. 354. 1808. [Can- 

 ada]. 

 Potamogeton Pennsylvanicus Britton 257. 

 Potamogeton nutiallii Keller and Brown 22. 



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

 Brown, I have been unable to find in southern Xew Jersey, nor have I seen 

 specimens from within our limits. 



