Atropine was in Pharmacopoeia as "Belladonna" a tincture allegedly used by Italian
beauties who felt dilated pupils enhanced theri attractiveness. Or maybe they
preferred the resulting blurring of vision paralysis of muscles that mediate change
of focus, which would hide lack of comeliness in their escorts.
An overdose could snip the thread of life. The plant as a weed can be hazardous
to livestock.

"The Solanaceae also includes the nightshades, from woody to deadly. You’ll
notice that the flowers of tomatoes, potatoes, woody and deadly nightshades
are very similar in shape, and once potatoes have flowered, they produce a
little green inedible fruit that looks just like a miniature tomato. At the other
extreme of edibility, the deadly nightshade (belladonna) berry looks like a
small, black tomato, but it is highly poisonous." (excerpt from long site"