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

Introductory essay to the flora of New Zealand
By: Hooker, Joseph Dalton,
Publication info: London, Lovell Reeve, n.d
Pages: Page xxv
Lake Superior: its character, vegetation, and animals, compared with those of other similar regions
By: Agassiz, Louis,
Publication info: Boston, Gould, Kendall & Lincoln, 1850
Pages: Page 175 Page 176 Page 177