The common name of digitalis purpurea is common foxglove. Illustrated is the juvenile or foliage stage used as an edging. The flowers are large, two inches long, and range from purple and more or less spotted.
GalleriesFlowers and Shrubs: D-E
L. H. Bailey Standard Cyclopedia of Horticulture (New York, New York: The MacMillan Company, 1917)