@misc{indiciaeda858dc77fac,
  title = {Leçons de botanique. : [Supplementary material in Charles Darwin's copy] / Leçons de botanique — Illustration, Pl. 23},
  year = {1841},
  url = {https://www.biodiversitylibrary.org/page/33856471},
  note = {Source identifier: page-33856471}
}