4 Pages in Charles Darwin's Library associated with "flora - Ageratum"

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: Hinds, Richard Brinsley.
Publication info: London :G.J. Palmer,1843.
Pages: Page 36 Page 119
Sur la production et la fixation des variétés dans les plantes d'ornement.
By: Verlot, Jean-Baptiste.
Publication info: Paris :J.B. Baillière,1865.
Pages: Page 34 End Slip 1