Cakile maritima.
Botanical name:
Cakile maritima Scop. Cruciferae. Sea Rocket.
Europe, northern Africa and North America. Kalm says the sea rocket furnishes a root in Canada which is pounded, mixed with flour and eaten, when there is a scarcity of bread.
Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.