Samolus floribundus

This plant occurs in the southwest, but I have only seen it on the north side of Bloomington, Indiana.

A flower on the shore of Griffy Lake, on the north side of Bloomington, IN, 7/24/03.

A mature fruit on the shore of Griffy Lake, 8/16/03.

A basal leaf on the shore of Griffy Lake, 7/24/03.