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

Die Geschlechter-Vertheilung bei den Pflanzen
By: Hildebrand, Friedrich.
Publication info: Leipzig, Wilhelm Engelmann, 1867
Pages: Page 18
Leçons de botanique
By: Saint-Hilaire, Auguste de,
Publication info: Paris, P.J. Loss, 1841
Pages: Page 375 Page 630