FREE INSTITUTE OF SCIENCE 



THE VEGETATION OF THE HACKENSACK marsh: A TYPICAL AMERICAN FEN ^'^ 



Ptilimnium capillaceum (Michx.) Raf. 



Brackish marshland everywhere. 

 Sium cicutcefolium Schrank. 



Common in moist situations. 



CORNACEAE 



Cornus Amomum Hill (Kinnikinnick), 



Rare. One station only, along Belleville Turnpike, near Erie Railroad. 

 Cornus paniculata L'Her. 



Thicket on summit of Snake Hill. 



Ericaceae 

 Clethra alnifolia L. (Sweet Pepperbush). 



Between Secaucus and the Susquehanna Railroad. 

 Rhododendron viscosum (L.) Torr (Clammy Azalea). 



In the swamp between Secaucus and the Susquehanna Railroad. 

 Vaccinium corymbosum L. (High-bush Blueberry). 



In the swamp between Secaucus and the Susquehanna Railroad. 

 Vaccinium vacillans Kahn (Late Low Blueberry). 



Common all over Snake Hill. 



Primulaceae 

 Samolus florihundus H. B. K. (Water Pimpernel). 

 Wet low places in the northern marshes. 



Oleaceae 



Fraxinus americana L. (White Ash). 

 Moist thickets. 



Gentianaceae 



Menyanthes trijoliata L. (Buckbean). 



Bogs and shallow water near Moonachie. 

 Sahatia dodecandra (L.) B. S. P. 



Swamp near Moonachie, 

 Sahatia stellaris Pursh. 



Salt marshes and around Little Snake Hill and Snake Hill. 



Apocynaceae 

 Apocynum cannahinum L. (Indian Hemp). 



Wet copses near the Belleville Turnpike and sandy banks elsewhere 

 over the marsh. 



