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George Engelmann (1809-1884)

Cactaceæ of the boundary

Thanks to Frédéric Pautz and Paul Cornier from Jardin Botanique de Lyon (http://www.jardin-botanique-lyon.com/jbot) who made this reproduction possible.

No copyright (public domain)

The US boundary commission was involved both in boundary demarcation and mapping and in natural sciences. From 1848 to 1853-55 the US-Mexican boundary territories were studied in details, and the results were published by one of the commissioners, William H. Emory, in a report entitled ”United States and Mexican Boundary Survey” (Vol. I in 1857, Vol. II in 1859).

Volume II, part II of the report deals with botany, and one chapter is devoted to cacti. There were official plant collectors (Bigelow, Parry, Schott, Thurber, Wright) and some freelance collectors (Berlandier, Fendler, Le Conte, Lindheimer). George Engelmann had then to study the collected material and to write the chapter devoted to cacti. The result is made of about 70 pages of accurate cactus descriptions illustrated by 75 extraordinary B&W plates (read carefully ”explanation of plates” and ”corrections”).

An original including the plates can be downloaded from Missouri Botanical Garden (MBG) Library1) under the name 31753002545991.pdf2) (12 MB).

A map from Emory's survey is available as a high definition jpeg: Emory_Map.zip. (9.2 MB; 2009-1-10). This map comes from David Rumsey map collection where you can find many other maps as old as 1693. Please comply with the CC licensing rules of both sites when using our file.


Right: George Engelmann.

1) You will find there for free other old documents concerning plants.
2) If you use this file, you must comply with the rules of the MBG library
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This project is hosted by cactuspro.com, a web site mainly in French (some pages translated) dedicated to cactus and other succulents.
Cactus and Succulent Plants Digital Library, http://www.cactuspro.com/biblio/