Lactuca
Allen, Supplement to the Encyclopedia of Pure Materia Medica, 1879, Vol. X, p. 570
Authority. 43, Dr. Fisher, in Rust’s Mag., Lond. Med. Gaz., 1839-40, vol. i, p. 862 (Am. Obs., 1876, p. 80), general effects.
It quiets without previousl}^ exciting, and produces sleep without insensibility, lessens the action of the heart, and produces a general tranquillity throughout the whole constitution. In large doses it causes delirium without stimulating, diminution of nervous power, disturbance of the digestive functions without vomiting,*^