So...it was you all along...
It was widely known back in the Haight-Ashbury flower power days of the ‘60s that morning glory seeds were a path to a trip.
I recall that it was a plot mechanism in one of Gilbert Sheldon’s comics about the “Furry Freak Brothers”.
So...it was you all along...
~~~~~
Ergot is neither rare nor difficult to produce. It comes naturally in souring rye and barley crops. Ergot poisoning is thought to be the cause of the Salem witch trials and a large portion of the plagues of Europe.
Villages in and after the Roman and Holy Roman empires ate from communal stores of rye and barley which soured periodically.