Indeed, in this neighbourhood it commonly receives an early check from escharotic applications of the COW LEECH.    From Wordnik.com.  [The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology)] Reference

PROPERTIES -- effects on the skin -- used as an escharotic (Aikin's Dic 2, 243) -- attraction for water -- used to dry the gases.    From Wordnik.com.  [Outlines of the Lectures on Chemistry, Mineralogy, & Geology, Delivered at the University of North-Carolina, for the Use of the Students. [1]-44 p.] Reference

Eberle, in his work on Diseases of Children, p. 97, says that the powdered root is an excellent escharotic in ulceration of the umbilicus.    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

If the frostbite is of a vesicular, pustular, bullous, or escharotic character, the treatment consists in the application of soothing remedies, such as are employed in other like inflammatory conditions.    From Wordnik.com.  [Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine] Reference

In a communication from Dr. Douglass, of Chester district, S. C., his correspondent, Mr. McKeown, considers the root too drastic as a purge; he adds that the powdered root, mixed with equal parts of resin, acts as a powerful caustic, and is used by farriers for escharotic purposes.    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

Murray's Materia Med. 2, 240) -- more corrosive than the mercurius precipitatus per se. -- used as an escharotic -- change produced on the red precipitate by triturating it with running mercury.    From Wordnik.com.  [Outlines of the Lectures on Chemistry, Mineralogy, & Geology, Delivered at the University of North-Carolina, for the Use of the Students. [1]-44 p.] Reference