Family, Primrose. ("Ancient name of Celtic origin, said to refer to curative properties of this genus in diseases of cattle and swine.") Calyx, 5-cleft. Corolla, tubular, 5-divided, with 5 stamens standing in the clefts. Leaves, entire, inversely ovate, tapering into a short petiole. June to September.

A delicate, white flower growing in racemes on slender, smooth stems, about 6 to 8 inches high. Round pods form below, while the blossoms continue above. Found growing on the edge of, or quite in, water, throughout the United States.

Brook-Weed. Water Pimpernel. (Samolus floribundus)