@misc{indiciae09b61a908e00,
  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, Page 39},
  year = {1879},
  url = {https://www.biodiversitylibrary.org/page/26450863},
  note = {Source identifier: page-26450863}
}