Ad for Super-Standard Bonny Best tomatoes. From 112 Superb Varieties for Market Gardeners (Philadelphia: Francis C. Stokes & Co., 1926). Image courtesy of National Agricultural Library and Biodiversity Heritage Library.

Ad for Super-Standard Bonny Best tomatoes. From 112 Superb Varieties for Market Gardeners (Philadelphia: Francis C. Stokes & Co., 1926). Image courtesy of National Agricultural Library and Biodiversity Heritage Library.

Illustration of Ficus Suringarii. From Neerland's Plantentuin (Groningen: J. Wolters, c. 1866). Image courtesy of University of Illinois Urbana-Champaign and Biodiversity Heritage Library.

Illustration of Ficus Suringarii. From Neerland's Plantentuin (Groningen: J. Wolters, c. 1866). Image courtesy of University of Illinois Urbana-Champaign and Biodiversity Heritage Library.

Illustration of Beschorneria yuccoides. From Curtis's Botanical Magazine (1860). Image courtesy of Peter H. Raven Library, Missouri Botanical Garden and Biodiversity Heritage Library.

Illustration of Beschorneria yuccoides. From Curtis's Botanical Magazine (1860). Image courtesy of Peter H. Raven Library, Missouri Botanical Garden and Biodiversity Heritage Library.

Cover of Boddington's Bulbs & Seeds, Fall 1906 (New York: Arthur T. Boddington, 1906). Image courtesy of LuEsther T. Mertz Library, New York Botanical Garden and Biodiversity Heritage Library.

Cover of Boddington's Bulbs & Seeds, Fall 1906 (New York: Arthur T. Boddington, 1906). Image courtesy of LuEsther T. Mertz Library, New York Botanical Garden and Biodiversity Heritage Library.