Title: Hyoscyamus
Additional Names: Henbane; hog's bean; insane root; poison tobacco; black henbane
Literature References: Dried leaves, with or without the tops, of Hyoscyamus niger L., Solanaceae, yielding 0.040% hyoscyamus alkaloids (chiefly hyoscyamine and scopolamine). The leaves and seeds have been used as smooth muscle relaxants. The alkaloid content of the seeds is less than that of the leaves. Egyptian henbane (Hyoscyamus muticus L., Solanaceae) contains about 0.5% alkaloids. Habit. Europe, Africa, Asia, naturalized in U.S.; cultivated in England. Constit. Leaves: scopolamine, hyoscyamine, hyoscipicrin, choline.
Hypalon? Hypaphorine Hypochlorous Acid Hypoglycine A Hypophosphoric Acid

Hyoscyamus niger
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Solanales
Family: Solanaceae
Subfamily: Solanoideae
Tribe: Hyoscyameae
Genus: Hyoscyamus

11, see text

Hyoscyamus is a small genus of flowering plants in the nightshade family, Solanaceae. The eleven species it contains are known generally as the henbanes. All of them are toxic.