A long paper on the medical properties of the argemone can be found in the Charleston Medical Journal, among the extracts.    From Wordnik.com.  [Resources of the Southern Fields and Forests, Medical, Economical, and Agricultural. Being also a Medical Botany of the Confederate States; with Practical Information on the Useful Properties of the Trees, Plants, and Shrubs] Reference

There was one bloom on the argemone, and the mirabilis described by the young man Jefferson, as "very clever," was claiming his attention.    From Wordnik.com.  [The Bloom of Monticello] Reference