@misc{indiciae293be38f6e8e,
  title = {The elements of structural botany with special reference to the study of Canadian plants, to which is added a selection of examination papers — Illustration, BHL page 31922253},
  year = {1897},
  url = {https://www.biodiversitylibrary.org/page/31922253},
  note = {Source identifier: page-31922253}
}