Image from the Biodiversity Heritage Library.
Contributed by Harvard University Botany Libraries.
| www.biodiversitylibrary.org
Transcription
No. 2120. 12 b. Dilin
Polischiefer.
No. 2121. 12 c. Berlin.
Artificial Kieselgahr.
No. 2122. 12 d. Hungary.
Polischiefer.