3 Pages in Charles Darwin's Library associated with "flora - Valeriana"

The British flora
By: Hooker, William Jackson, Sir,
Publication info: London, Longman, Brown, Green & Longmans, 1838
Pages: Page 12
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 65 Page 67