Dysentery, "Colt Tail" Remedy for

"The herb called "Colt Tail," steep and drink the tea. It's a tall weed and grows in damp places. It is one of the best herbs for this." This is especially good when the discharge from the bowels is bloody or contains mucus.

Source: Mother's Remedies: Over One Thousand Tried and Tested Remidies from Mothers of the United States and Canada, T. J. Ritter