The Bayerische Staatsbibliothek is gratefully acknowledged for having provided copies of the original. Thanks to Urs Eggli from the Sukkulenten-Sammlung, Zürich who made this work available.
Public domain.
Descriptions of plants that were grown in the the Botanical garden of Berlin. The work was published in 1827 and it defines the genus Melocactus as considered nowadays. It is made of 23 pages of text (German and Latin) and 15 nice B&W plates.
Right: Melocactus communis.