12 Pages in Charles Darwin's Library associated with "flora - Viola"

Das entdeckte Geheimnis der Natur im Bau und in der Befruchtung der Blumen
By: Sprengel, Christian Konrad.
Publication info: Berlin, F. Vieweg, 1793
Volume: Supplementary material in Darwin's copy
Pages: End Slip 5, side 2 End Slip 5, side 2
Leçons de botanique
By: Saint-Hilaire, Auguste de,
Publication info: Paris, P.J. Loss, 1841
Pages: Page 403
Production et fixation des variétés dans les végétaux
By: Carrière, E.-A. (Elie-Abel),
Publication info: Paris, Libraire agricole de la Maison Rustiane, 1865
Pages: Page 65 Page 65
The regions of vegetation, being an analysis of the distribution of vegetable forms over the surface of the globe in connection with climate and physical agents
By:
Publication info: London, G.J. Palmer, 1843
Pages: Page 74 Page 74 Page 81 Page 81
Untersuchungen über die Bedeutung der Nektarien in den Blumen
By: Kurr, Johann Gottlob von,
Publication info: Stuttgart, Henneschen Buchhandlung, 1833
Pages: Page 79 Page 79 slip attached 2, side 2