. Die mutationstheorie. Versuche und beobachtungen über die entstehung von arten im pflanzenreich. Plants; Evolution (Biology); Hybridization, Vegetable; Evolution. DE VRIES, Mutation IL Taf. Hyoscyamus pallidus x niger. A. H. niger. B. H. pallidus. Verlag von Veit & Comp, in Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Vries, Hugo de, 1848-1935. Leipzig, Veit & comp.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectplants, bookyear1901