Known as the Audubon of Botany, Philadelphia Quaker Mary Morris Vaux Walcott (1860-1940) was a gifted artist whose stunning watercolors comprise a catalog of North American wildflowers. Walcott was catapulted to the highest levels of society and national politics by a late and bold marriage to the secretary of the Smithsonian. Along with an early (1887) transcontinental travelogue, never-before published correspondence with fellow Quaker and First Lady Lou Henry Hoover, and Commissioner Mary Walcott's reports for the Bureau of Indian Affairs, this biography reveals rich intersections of...