This collection contains 107 volumes from 72 titles, containing 29194 pages.

1. Sketch of the botany of Dr. A. Wislizenus's expedition :Missouri to Santa Fe, Chihuahua, Parras, Saltillo, Monterey and Matamoros.
   By: Engelmann, George,
   Publication info: Washington :Tippin & Streeper,1848.
   Contributed by: Missouri Botanical Garden, Peter H. Raven Library
   BHL Collections: Engelmann Herbarium
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2. Synopsis of the Cactaceae of the territory of the United States and adjacent regions /by George Engelmann.
   By: Engelmann, George,
   Publication info: Cambridge [Mass.] :Metcalf,1856.
   Contributed by: Missouri Botanical Garden, Peter H. Raven Library
   BHL Collections: Engelmann Herbarium
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3. Synopsis of the flora of Colorado /by Thomas C. Porter and John M. Coulter.
   By: Porter, Thomas Conrad, - Coulter, John Merle,
   Publication info: Washington :Govt. print. off.,March 20, 1874.
   Contributed by: Missouri Botanical Garden, Peter H. Raven Library
   BHL Collections: Engelmann Herbarium
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4. Systematic arrangement of the species of the genus Cuscuta :with critical remarks on old species and descriptions of new ones /by George Engelmann.
   By: Engelmann, George,
   Publication info: St. Louis :G. Knapp, printers,1859.
   Contributed by: Missouri Botanical Garden, Peter H. Raven Library
   BHL Collections: Engelmann Herbarium
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