Taxonomy and genetics of Oenothera : forty years study in the cythology and evolution of the Onagraceae

Evolution -- Conditions of evolution in Oenothera -- Gene mutations in Oenothera -- Mutations in Wild Oenothera -- Evolution of the Onagraceae -- Taxonomy -- Oenothera cultures -- Distribution of Oenothera species -- Culture variations -- Naturalization of species in Europe -- Genetics and Cytology -- Flower-size inheritance -- Development of Oenothera genetics -- Oenothera cytology -- Specificity of chromosome ends -- Conclusions -- Summary -- References.