Bartram family.

John and William Bartram were naturalists, both of whom undertook extensive botanizing expeditions to the Carolinas, Georgia and Florida. John in particular corresponded with prominent scientists and political figures in Europe and America. John Fothergill secured for Bartram the appointment as Botanist to the King, 1765, and underwrote his expedition to the South in 1765. Moses and Isaac Bartram were Philadelphia merchants.

From the description of Collection, 1721-1814 (inclusive), 1765-1803 (bulk). (Historical Society of Pennsylvania). WorldCat record id: 122474355