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

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 29
Histoire naturelle des Îles Canaries.
By: Barker-Webb, Philip. - Berthelot, Sabin.
Publication info: Paris :Béthune,1840.
Pages: Page 124
On the flora of Australia.
By: Hooker, Joseph Dalton,
Publication info: London :Lovell Reeve,1859.
Pages: Page xxi