This section is from the "A Practical Treatise On Materia Medica And Therapeutics" book, by Roberts Bartholow. Also available from Amazon: A Practical Treatise On Materia Medica And Therapeutics
Marsh rosemary. (Not official.) The root. A docoction (oz j—Oj) may be used—dose, oz ss— oz j. A fluid extract is prepared—dose, τη xx— 3 j.
Tannic acid (twelve per cent), gum, extract, etc.
 
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