PRELIMINARY REPORT ON PEAT. Lippia sp. In marshy places which are a little calcareous or brackish, and dry a good deal of the time. Grows on several feet of peat in the marshes of Crescent Lake, and in mineral soil in the prairies around Lakes Monroe and Harney, the southern edge of the Everglades, etc. HYDROPHYLLACEAE. Nama corymbosa (Macbride) Kuntze In a saw-grass marsh at the south end of Lake Eustis, and in a small shallow prairie in the pine woods near Lemon City. (Also collected near Sanford by Nash, and near Fort Myers by Hitchcock.) South Carolina to Florida, in the coastal plain. CUISCUTACEAE. Cuscuta compacta Jtfss. Love Vine. On shrubs of various kinds, in and around bays, tyty swamps, etc., in the northern counties, mostly north of latitude 300. Rather widely distributed in the Eastern United States. CONVOLVULACEAE. Morning-glory Family. Ipomoea sagittata Poir. Morning-glory. In low grounds which are a little calcareous or brackish. Frequent in depressions in the flatwoods of St. Johns County. Occurs also in the marshes of Crescent Lake, in the same county, on several feet of peat, and in a small prairie near Lemon City, and doubtless in many other more or less similar places. North Carolina to Texas, in the coastal plain. Also reported from pain and Cuba. ASCLEPIADACEAE. Milkweed Family. Asclepias lanceolata L. In fresh marshes of various kinds, or occasionally in low pine lands. Widely distributed, but nowhere abundant, rarely more than two or three specimens being visible at once. Santa Rosa, St. Johns and Dade Counties. New Jersey to Texas, in the coastal plain. APOCYNACEAE. Dogbane Family. Rhabdadenia biflora (Jacq.) Muell. Arg. (Echites paludosa A. DC.) A woody vine, observed in a mangrove swamp near Lemon City, Dade Co South Florida and the West Indies. GENTIANACEAE. Gentian Family. Limnanthemum aquaticum (Walt.) Britton In sour estuaries, permanent ponds, shallow lakes, and very wet peat prairies. Walton, Leon, Jefferson, Sumter, Lake, Osceola and Palm Beach Counties. 3g1