@misc{indiciaea812a269d64b,
  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 31922245},
  year = {1897},
  url = {https://www.biodiversitylibrary.org/page/31922245},
  note = {Source identifier: page-31922245}
}