Cubeb cigarettes

(Wikipedia) Cubeb (Piper cubeba), or tailed pepper, is a plant in genus Piper, cultivated for its fruit and essential oil. It is mostly grown in Java and Sumatra, hence sometimes called Java pepper. The fruits are gathered before they are ripe, and carefully dried.
... Cubeb was frequently used in the form of cigarettes for asthma, chronic pharyngitis and hay fever. Edgar Rice Burroughs, being fond of smoking cubeb cigarettes, humorously stated that if he had not smoked so many cubebs, there might never have been Tarzan. "Marshall's Prepared Cubeb Cigarettes" was a popular brand, with enough sales to still be made during World War II. Continued