THIRD ANNUAL REPORT. PL. 17.

SALT MARSHES.

Fig. I.-Salt marshes near Mayport (Duval County), looking northeastward toward mouth of St. Johns River. Grass in foreground all Spartina glabra. Low dunes with Sabal Palmetto in distance. May 13, 1909.

Fig. 2.-Salt marshes on east side of Way Key, about half a mile north of Cedar Keys station (Levy County), showing archipelago-like character and oyster-shell foundation characteristic of marshes in this vicinity. The bushes are .4Aicennia initida (black mangrove). April 26, 1909.

FLORIDA GEOLOGICAL SURVEY.