Rhubarb
Today rhubarb occasionally shows up in pies, but in the eighteenth century it was used in medicine.
![Rhubarb A bundle of burgundy rhubarb stems with green leaves. Sitting on a bed of leaves.](https://ncpedia.org/sites/default/files//styles/anchor_images/public/rhubarb.jpg?itok=i3X0Io10)
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