Bui. 272, U. S. Dept. of Agriculture. 



Plate VII. 



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Fig. 1.— Cypress Advancing Into Former Marsh or "Prairie" as the Process 

 of Upbuilding Progresses. 



Fig. 2.— Pole Cypress, 140 Years Old, Nearly Filling a Small "Prairie" and 

 Surrounded by Cypress 265 Years Old in Foreground. 



RELATION OF CYPRESS TO LIFE OF SWAMPS-OKEFINOKEE SWAMP. 



