Vandellia. Vandellia diffusa.

Botanical name: 
Lindernia diffusa

Vandellia. Vandellia diffusa L. (Fam. Scrophulariaceae.)—This is an herb of Paraguay, said to be used by the natives as an emetic. (P. J., 1872, 849.)

The Dispensatory of the United States of America, 1918, was edited by Joseph P. Remington, Horatio C. Wood and others.