PLATE IX 



FIG. i. 



Cypress tree base in cypress head 9 kilometers south of Ft. Myers; the fern, Blechnum serrulatum 

 L. C. Rich., is growing on the base of the cypress, June 12, 1912. Original. 



FIG. 2. 



Floating rafts of water-hyacinth, Piaropus crassipes (Mart.) Britton, mixed with arrow-leaf, Sagit- 

 taria lancifolia L., on Lake Flirt. Photograph by Hunt. 



