WARNING: All medicines, drugs, plants, chemicals or medicial precedures below are for historical reference only. Many of these treatments are now known to be harmful and possibly fatal. Do not consume any plant, chemical, drug or otherwise without first consulting a licensed physician that practices medine in the appropriate field.
Physician's Materia Medica on Butternut (juglans)
BUTTERNUT (Juglans)JUCI
   The bark of the root of JUGLANs CINEREA. Lin. Tonic laxative or mild cathartic. Used especially in chronic constipation.1*Slight
   The bark of the root of JUGLANs CINEREA. Lin. Tonic laxative or mild cathartic. Used especially in chronic constipation.1*Slight
References
1) Nelson, Baker & Co., 1904, Physician's Handy Book of Materia Medica and Therapeustics, Detroit, Michigan.