@misc{indiciae1815e293dae5,
  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 32966449},
  year = {1879},
  url = {https://www.biodiversitylibrary.org/page/32966449},
  note = {Source identifier: page-32966449}
}