Henbane, wormwood and sorrel.

Smells like piss. Henbane.

Henbane, more like.

Henbane. It's to make you rest.

Valerian. Two drops will render the victim unconscious. And Henbane.

Mandragora, henbane, lye, thorn apple, hemlock, belladonna, half a dozen more... substantial lists requiring substantial coin.

The sweating, the corruption of the skin, the traces of tincture around the ear. They all point to the use of Henbane.