Encyclopædia Britannica, First Edition/Francenia

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