By wolfsbane and mandrake root

A large number of poisonous plants have beneficial uses in both domestic medicine and magic. Needless to say, when utilising a toxic plant in magic, we are adding certain extra deadly or potent energies into the mix and it is inadvisable to start messing about with deadly poisons unless weâ?Tve made a thorough study of the subject - and not just by glancing at a paragraph in a book on herbal preparations!