This section is from the book "A Practitioner's Handbook Of Materia Medica And Therapeutics", by Thos. S. Blair. Also available from Amazon: A Practitioner's handbook of Materia Medica and Therapeutics.
Tongo, Tonka Bean, Dipterix Odorata. Used as a flavoring agent. Possesses very mild anodyne properties taken advantage of in making up mixtures for whooping cough.