From the 1917 ARS annual with the following caption, "Plate 1. John Cook's unnamed American seedling (Frau Karl Druschki X Mrs. Charles Russell), not yet in commerce. Two-thirds actual size.
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From the 1917 ARS annual with the following caption, "Plate 1. John Cook's unnamed American seedling (Frau Karl Druschki X Mrs. Charles Russell), not yet in commerce. Two-thirds actual size.