Jest make a tea of de flagroots an' drink it hot.
"Slave Narratives: a Folk History of Slavery in the United States From Interviews with Former Slaves, North Carolina Narratives, Part 2" by Work Projects Administration
The father of the winds makes battle with a huge flagroot, and the king of reptiles is shot with a dart.
"Algic Researches, Comprising Inquiries Respecting the Mental Characteristics of the North American Indians, Vol. 1 of 2" by Henry Rowe Schoolcraft