lothelier

Updated: May 3, 2025

The capacity of producing spines is also a double adaptation, active on dry and arid soil and latent in a moist climate or under cultivation, as with the wild and cultivated apple, and in the experiments of Lothelier with Berberis, Lycium and other species, which lose their spines in damp air.

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