Hyoscyamus
Hyoscyamus , noun
[Latin, from Greek {not transcribed}; {not transcribed} a sow, hog + {not transcribed} a bean.]
1.
(Botany) A genus of poisonous plants of the Nightshade family; henbane.
2.
(Medicine) The leaves of the black henbane (Hyoscyamus niger), used in neuralgic and pectoral troubles.