a city of Germany, in the palatinate of the Rhine, situated on the west side of the river Rhine, in E. long. $8^\circ$ $15'$, N. lat. $49^\circ$ $30'$.

FRANCENIA, SEA-HEATH, or SEA-CHICKWEED, a genus of the hexandria monogynia clas. The calix is tunnel shaped, and divided into five segments; the petals are five; the stigma has six divisions; and the capsule consists of one cell, with three valves. There are three species, two of them natives of Britain, viz. the lavis, or smooth sea-heath; and the pulverulenta, or broad leaved sea-heath.