oeffeninge

Updated: May 27, 2025

It is called "Waare Oeffeninge der Planters," or "True Exercises With Plants." The descriptions pertain to ordinary typical species in greater part, but garden varieties receive special attention. Among these a long list of double flowers are to be seen. Other double forms have been since added. Many have been introduced from Japan, especially the Japanese marigold, Chrysanthemum indicum.

Hugo de Vries - Species and Varieties, Their Origin by Mutation