PRELIMINARY REPORT ON PEAT. 
317 
COMPOSITAE. Daisy or Thistle Family. 
Senecio lobatus Pers. 
In alluvial and calcareous swamps in the northern parts of the state. Com 
tributes 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 calcareous. 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 flourish¬ 
ing on many feet of peat in the estuarine swamps of the Blackwater River. 
North Carolina to Louisiana, in the coastal plain. 
Bidens coronata (L.) Fiseh. (Coreopsis aurea Ait.) 
Mostly in estuarine swamps and marshes, in Escambia, Santa Rosa and Wal¬ 
ton 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. 
1 
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- 
