Root of this, the plant that killed Socrates; not hard to find at a good organic produce store
[DOC] [TLE] Hemlock Poisoning and the Death of Socrates: Did Plato Tell the Truth [PAR] In the 1970's the classicist Christopher Gill ('The Death of Socrates', ... Plato not 
only told the truth, I conclude, but much more of it than anyone has recognized.