2 Pages in Charles Darwin's Library associated with "flora - cowslip"

Nouvelles recherches sur l'hybridité dans les végétaux.
By: Naudin, Charles.
Publication info: Paris :[s.n.],1862.
Pages: Page 54
Principles of geology.
By: Lyell, Charles.
Publication info: London :John Murray,1837.
Volume: v.2
Pages: Page 403