Elisabeth Schiemann, life and career of a woman scientist in Berlin / E. Lang -- History of phycology in Berlin / D. Mollenhauer -- Contributions to the development of phytomedicine in Berlin / W. Laux -- On the history of plant geography and plant ecology in Berlin / H. Sukopp -- Botany at the Kaiser Wilhelm Institutes / C. Schnarrenberger -- A contribution to the history of science of heredity in Berlin / W. Plarre -- The collections of the Botanical Museum Berlin-Dahlem (B) and their history / P. Hiepko -- Opera magna in Berlin plant taxonomy / H.W. Lack