@misc{indiciae6850a3bad273,
  title = {Descriptive and physiological botany / Descriptive and physiological botany. : [Supplementary material in Charles Darwin's copy] — Illustration, Page 86},
  year = {1837},
  url = {https://www.biodiversitylibrary.org/page/34119604},
  note = {Source identifier: page-34119604}
}