Butterfly Weed, or PLEURISY ROOT

Chambers's Encyclopaedia, Volume 2: Beaugency to Cataract, p. 589

Butterfly Weed, or PLEURISY ROOT (Asclepias tuberosa, see ASCLEPIAS), a plant common in the United States, of which the root has medicinal repute, the infusion being used as a diaphoretic and expectorant.

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