106 PRELIMINARY CATALOGUE OF PLANTS. 



J. pelocarpus, E. Meyer. Island in Lake Hopatcong, Morris Co., 

 T. C. Porter ; frequent on the Yellow Drift. 



Var. subtilus, Engelm. Halsey's Island in Lake Hopatcong, T. 0. 

 Porter. 



J. articulatus, L. ; Var. obtusatus, Eugelm. In ballast on Petty's 

 Island, Delaware Eiver near Camden, Isaac Burk. 



J. militaris, Bigel. Rare. In Tom's Eiver, Ocean Co., Atsion River, 

 Burlington Co., and in a pond near Atsion, C. F. Parker. In his revi- 

 sion of the North American Junci, p. 461, Dr. Engelmann quotes Mr. 

 Parker as saying " this plant is found with submerged leaves in the 

 Delaware Eiver ;'' it should read, "Atsion Eiver." Near Manchester, 

 Ocean Co., P. D. Knieskern, (perhaps the same as the Tom's Eiver 

 locality mentioned above). 



J. acuminatus, Michx. ; Var. debilis, Engelm. Sparingly in the 

 southern counties. Near Atsion, Burlington Co., Haleysville, Cum- 

 berland Co., and Dennisville, Cape May Co., C. F. Parker. 



Var. legitimus, Engelm. Low grounds. Quite common through- 

 out the State. 



J. nodosus, L. Sparingly in the northern counties. Warren Co., 

 F. Knighton ; near Andover, Sussex Co., A. P. Garber. 



Var. megacephalus, Torr. Petty's Island, Delaware River near 

 Camden, C. F. Parker. 



J. scirpoides. Lam. ; Var. macrostemon, Engelm. Common in the 

 southern and parts of the middle counties ; mostly confined to the 

 Yellow Drift. 



J. Canadensis, J. Gay. Low grounds; not uncommon. 



Var. longicaudatus, Eng.elm. Frequent in the southern counties. 



Var. subcaudatus, Engelm. Red Bank, Monmouth Co., W. H. Leg- 

 gett; near Camden, C. F. Parker ; and probably frequent in the south- 

 ern counties. 



Var. coarctatus, Engelm. Budd's Lake, T. C. Porter in Willis Cata- 

 logue. 



J. asper, Engelm. Swamps near Quaker Bridge, Atlantic Co., on 

 the Atsion River, and Griffith's, Camden Co., C. F. Parker. 



PONTBDBRIAOBJE. 

 Pontederia, L Pickeeel-weed. 



P. cordata, L. Common in shallow water. 



Var. angustifolia, Gray. Quaker Bridge, Atlantic Co., C. F. Parker ; 

 south end of Green Pond, Morris Co., W. H. Rudkin. 



