496 HARSHBERGER— INFLUENCE OF SEA WATER 



EXPLANATION OF PLATES. 

 Plate XX. 



Fig. a. Typic salt marsh near Avalon, N. J., showing prominent growth 

 of salt marsh grass, Spartiiia stricta maritima, fringing open thoroughfare 

 and low sand dunes covered witli red cedar, Junipcrus virginiana, in the 

 distance. 



Fig. B. Salt marsh near Avalon, N. J., intersected by tortuous channels 

 at head of a bay blending with the deciduous forest in the center and left. 



Pl.\te XXI. 



Salt marsh at Somers Point, N. J., with open channel blending with an 

 association, or strip of switch grass, Panicuin z'irgafum, which fronts a forest 

 growth of red cedar, Juuiperus I'irgijiiaua. holly, Ilex opaca, and pitch pine, 

 Pinus rigida. 



