236 FLORIDA GEOLOGICAL SURVEY-THIRD ANNUAL REPORT.
trestle in the swamp areas. In one or two of the marsh areas, however, I noticed bents every four feet, which doubtless indicates that the mud was unusually soft there.

Fig. I7.-Scene in heart of estuarine swamp of
Apalachicola River, about 5 miles north of Apalachicola (Franklin County), looking at right angles to railroad right-of-way from trestle. Shtws Taxcdiurn distichum (cypress), Nyssa biflora (black gum), Magnolia jliatuca (bay), and Sabal Palmetto (cabbage palmetto), among
other things. April 24, 1910.
Most of the plants in the following list were noted from the trestle on April 24, I9IO, when I walked the whole length of it.