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THE VEGETATION OF THE HACKENSACK marsh: A TYPICAL AMERICAN FEN 



Scleria verticillata Muhl. 



Hackensack marsh, 1863. J. F. Allen. 



Araceae 

 Calla palustris L. (Water Arum). 



Hackensack marsh. G. C. Woolson. 



Iridaceae 

 Heteranthera duhia (Jacq.) Mac. M. (Mud Plantain). 



Common along the Hackensack. Austin. 

 Iris prismatica Pursh. (Slender Blue Flag). 



Hackensack marsh. Leggett. 



Orchidaceae 

 Arethusa hulhosa L. 



Hackensack marsh. G. C. Woolson. 



Ranunculaceae 



Coptis trifolia (L.) Salisb. (Gold Thread). 



Swamps along Hackensack River. G. C. Woolson. 

 Ranunculus circinatus Sibth. 



Hackensack River. Austin. 



Leguminosae 

 Lathyrus palustris L. var. myrtif alius (Muhl.) Gray. 

 Hackensack marsh. Leggett. 



POLYGALACEAE 



Polygala cruciata L. 



Hackensack marsh. Leggett; Base of Snake Hill — N. L. Britton. 



ACERACEAE 



Acer Negundo L. (Box Elder). 



Banks of Hackensack River west of Closter. Austin. 



Lythraceae 

 Rotala ramosior (L.) Koehne. 



Hackensack marsh. Torrey Catalogue, 18 19. 

 Lythrum lineare L. (Loosestrife). 



Hackensack marsh. Leggett. 



