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7 Pages in
Charles Darwin's Library
associated with "flora - Centaurea cyanus"
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 381
Leçons de botanique
By: Saint-Hilaire, Auguste de,
Publication info: Paris, P.J. Loss, 1841
Pages:
Page 51
Page 407
Versuche und Beobachtungen über die Bastarderzeugung im Pflanzenreich
By: Gärtner, Carl Friedrich von,
Publication info: Stuttgart, [s.n.], 1849
Pages:
Page 157
Page 157
Page 158
Page 158