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.
Manna, Fraxinus Ornus. A mild purgative given doses of 1 to 5 3. Mannite, or manna sugar, is used in diabetes in place of cane-sugar, and as a laxative for children. Dose, 6 to 8 3 for adults.