PLATE II 



FIG. i. 



Dwarf mangroves growing in saw-grass marsh, 

 north side of the Miami River, August 16, 

 191 1. Similar low mangroves are found on 

 the coastal prairie south of Detroit. Original. 



FIG. 2. 



Sand-pine (Pinus clausa) forest at West Palm 

 Beach, August 10, 1911, with an undergrowth 

 of low oaks and saw-palmetto. Original. 



FIG. 3. 



Pine forest south of Homestead, August 15, 

 1911, showing even stand of slash-pine, Pinus 

 caribaea Morelet, and silver palm, Coccothrinax 

 Garbcri (Chapm.) Sarg. Note the angular lime- 

 stone rock fragments, the saw-palmettos, etc. 

 Original. 



FIG. 4. 



Roots of palmetto denuded of soil by the 

 currents of the Caloosahatchee River. Photo- 

 graph by S. L. Schumo. 



