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3 Pages in
Charles Darwin's Library
associated with "flora - Symphytum"
Das entdeckte Geheimnis der Natur im Bau und in der Befruchtung der Blumen
By: Sprengel, Christian Konrad.
Publication info: Berlin, F. Vieweg, 1793
Pages:
Page 229
Vorläufige Nachricht von einigen das Geschlecht der Pflanzen betreffenden Versuchen
By: Kölreuter, Joseph Gottlieb,
Publication info: Leipzig, in der Gleditschischen Handlung, 1761-1766
Pages:
Page 17
Page 17