>Ergot Poisoning. Ergot grows on rye.
>It causes delirium tremens, convulsions and death.
Interesting speculation considering the trippiness of the drawing. Rye is also a type of whiskey and Fatal Wedding the title of a turn of the century melodrama and a folk song. "Not a lizzard in a barrel of it" echoes the "not a fart in a carload" slogan of Horse Shit cigarettes.
Note also the sandwichman in a top hat advertising 20 ct lunch in the lower right hand corner.
The Sandwichman