824 FLORIDA GEOLOGICAL SURVEY—THIRD ANNUAL REPORT. 
Azalea viscosa L. Swamp Honeysuckle. 
Sandy branch-swamps, non-alluvial swamps, bays, etc., from Hillsborough 
County northward. Contributes to peat formation in the estuarine swamps of 
Santa Rosa County, if not elsewhere. 
General distribution much like that of the preceding. 
CLETHIRACEAE. 
Clethra alnifolia L. 
Bays, non-alluvial swamps, low pine lands, etc., from about lat. 30° north¬ 
ward. Escambia, Walton, Jackson, Leon, Wakulla, Jefferson, Madison and Cla> 
Counties. 
Maine to Louisiana, in the glaciated region and coastal plain. 
UM BELLI FERAE. Parsley Family. 
Oxypolis filiformis (Walt.) Britton 
In cypress ponds, prairies, Everglades, etc., mostly in open places where 
the water varies with the seasons from nothing to a few inches in depth, and has 
little or no current. Contributes to peat formation in the estuaries of West 
Florida and in the Everglades northwest of Fort Lauderdale and Miami. 
North Carolina to Louisiana, in the coastal plain. 
Cicuta Curtissii C. & R. 
Mostly in large fresh marshes and in somewhat calcareous swamps. Heg 
Island, Panasoffkee, Helena Run, Lake Apopka, etc. (In other states it usually 
grows in small marshes and non-calcareous—but sometimes muddy—swampsL 
A 
Virginia to Louisiana. 
Eryngium virgatum Lam. 
Estuarine marshes, wet pine lands, etc. Escambia, Walton and Jackson 
Counties. 
Western North Carolina to northern Florida and Texas. 
Centella repanda (Pers.) Small 
Common all over the State, in shallow ponds, prairies, and various ojher 
places which are dry about half the time. Often in calcareous soils, and not 
usually on peat; but it helps form peat in open tyty bays near Carrabelle, in 
some of the smaller peat prairies of the lake region, and in the St. Johns 
River swamp near Palatka. 
Maryland to Texas, in the coastal plain. Also in the tropics. 
Hydrocotyle verticillata Thunb. 
In calcareous swamps near Pickett, Panasoffkee, and Helena Run. 
Massachusetts to Mexico. Also in the tropics. 
