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Keywords from Image Description:
Einfhrung in die experimentelle Vererbungslehre . Baur Vererbungslehre Tafel VII sterile Speziesbastarde Nicotiana Tabacum Digitalis purpurea Nicotiana Tabacum silvestris Digitalis purpurea lutea Nicotiana silvestris Digitalis lutea Taf VII Illustration biodiversitylibrary org title Baur Erwin NameFound Digitalis