@misc{indiciae2010921d4c5e,
  title = {Lessons in Elementary Botany, the part of Systematic Botany based upon material left in manuscript by the late Prof. Henslow — Illustration, Page 237},
  year = {1888},
  url = {https://www.biodiversitylibrary.org/page/17042692},
  note = {Source identifier: page-17042692}
}