ILLUSTRATIONS. PLATES FOLLOWING PAGE PLATE No. 16. Map showing geographical divisions of the state ................. 17. Salt marshes.......................................... i. Near Mayport. 2. Near Cedar Keys. i8 Mangrove swamps (near head of Biscayne Bay).............. i. Exterior. 2. Interior. 19. Muddy swamps (of Apalachicola River) ......................... i. Alluvial swamp, Liberty Co. 2. Estuarine swamp, Franklin Co. 20. Calcareous stream s ............................................ i. Wakulla River. 2. Homosassa River. 21. Suwannee River estuaries (Hog Island) ........................ i. At mouth of river. 2. Farther upstream. 22. Estuarine swamps of Blackwater River (Santa Rosa Co). i. Looking upstream. 2. Looking downstream. 23. Cypress ponds and bays ......................................... i. Cypress pond, Alachua Co. 2. Bay in flatwoods of Jefferson Co. 24. Small lakes (south of\Tavares,-Lake Co.) ....................... i. Near Ellsworth Junction. 2. Lake Milton. 25. Borders of large lakes ......................................... i. Lake Eustis. 2. Lake Apopka. 26. Saw-grass marshes (around Lake Harris) ....................... i. Near Eldorado. 2. South of Leesburg. 27. Peat prairies, etc ................................................ i. Polk Co. 2. Madison Co. z8. Marshes bordering Crescent Lake .............................. 204 232 232 232 232 248 248 248 248 280 2&) 280 280