Squirrel cup
Mid to late 19th century / Foster, Sarah Haven (1827-1900)
Collection: Sarah Haven Foster Wildflowers
A watercolor painting of Houstonia caerulea, also known as squirrel cup, azure bluet, and quaker ladies. Inscription reads, "Houstonia Caerulea / Squirrel Cup."
~ Foster, Sarah Haven (1827-1900), “Squirrel cup,” Portsmouth Public Library's Online Archives, accessed August 11, 2025, https://portsmouthexhibits.org/items/show/920.