Linaria cymbalaria.

Botanical name: 

Linaria cymbalaria Mill. Scrophularineae. Kenilworth Ivy. Pennywort.

Europe. This plant is eaten in southern Europe, says Johnson, as a salad and is a good antiscorbutic. Its taste is not unlike that of cress.

Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.