PRELIMINARY REPORT ON PEAT.

COMPOSITAE. Daisy or Thistle Family. Senecio lobatus Pers.
In alluvial and calcareous swamps in the northern parts of the state. "ontributes slightly to the formation of peat at the mouth of the Suwannee River, if not elsewhere.
Widely distributed in the southeastern United States, mostly in the coastal plain.
Mesadenia sulcata (Fernald) Small
In sandy non-alluvial or non-calcareous swamps in most if not all of the counties in West Florida. Grows on deep but impure peat in the estuarine swamps near Milton and Pensacola.
Otherwise known only in a few places in Southwest Georgia.
Mesadenia diversifolia (T. & G.) Greene
In calcareous swamps in Jackson and Levy Counties.
Also in two or three extreme southwestern counties in Georgia.
Erechthites hieracifolia (L.) Raf. Fireweed.
Grows in damp "new ground" of various kinds, especially in swamps and damp woods which have just been cleared or drained or burned over; or even in natural swamps when the water is very low, especially if calcai-eous. I have noticed it on peat at Panasoffkee, Helena Run, and in a partly drained small prairie near Manatee. It seems to occur in nearly all parts of the State.
Ranges throughout Eastern North America, but usually in unnatural places.
Baldwinia uniflora Nutt.
In the northern parts of the State, mostly in low pine land, but also flourishing on many feet of peat in the estuarine swamps of the Blackwater River.
North Carolina to Louisiana, in the coastal plain.
Bidens coronata (L.) Fisch. (Coreopsis aurea Ait.)
Mostly in estuarine swamps and marshes, in Escambia, Santa Rosa and Walton Counties. (Prof. A. S. Hitchcock has reported it from various places on the peninsula, but I have not been down that way in the fall, when it blooms.)
Virginia to Louisiana, in the coastal plain.
Coreopsis angustifolia Ait.
In estuarine marshes of the Escambia River, in wet pine lands in Walton County, around mayhaw ponds near Chipley, etc.
North Carolina to Texas (?), in the coastal plain.
Pluchea imbricata (Kearney) Nash
Mostly in shallow ponds, but also in small peat prairies between Grandin and Interlachen and near Rochelle.
Western South Carolina to central Florida, in the coastal plain.

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