4 Pages in Charles Darwin's Library associated with "flora: social plants"

Descriptive and physiological botany.
By: Henslow, John Stevens.
Publication info: London :Longman, Orme, Brown, Green & Longman,1837.
Pages: Page 276
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 431
Introductory essay to the flora of New Zealand.
By: Hooker, Joseph Dalton,
Publication info: London :Lovell Reeve,n.d..
Pages: Page xx
Leçons de botanique.
By: Saint-Hilaire, Auguste de,
Publication info: Paris :P.J. Loss,1841.
Pages: Page 51