Exhibit Item 14
Echinocactus wislizeni
Current classification: Ferocactus wislizeni
Illustrator: Paulus Roetter
Steel Engraving by W. H. Dougal, Georgetown, D.C.
The Report on the United States
and Mexican Boundary Survey
Major William H. Emory, 1859
Vol. II "Botany of the Boundary. Cactaceae", Plate 26
From the Collection of Margaret Pope
Exhibit Item 15
Comparison of Opuntia species
Current classification: Cylindropuntia species
Illustrator: Paulus Roetter
Steel Engraving by Rebuffet, Paris, France
The Report on the United States
and Mexican Boundary Survey
Major William H. Emory, 1859
Vol. II "Botany of the Boundary. Cactaceae", Plate 73
From the Collection of Margaret Pope