Death in the garden: poisonous plants & their use throughout history

Mankind has always had a morbid fascination with poisonous plants; how their poisonous properties were discovered and developed will most likely be left unknown. Over the centuries poisonous plants have been used to remove garden pests, unwanted rivals and deceitful partners. They have also been used for their medicinal qualities, as rather dangerous cosmetics, even to help seduce a lover when perceived as an aphrodisiac. Some of these and other uses originate in a medieval book that has not yet been translated into English