Take 4 ounces powdered gum guaiacum, 1½ pints spirits of amonia, put them together and let the mixture stand for fourteen days, when it will be ready for use. Shake the bottle occasionally. This is a celebrated remedy in the treatment of chronic rheumatism. The dose is from one to two teaspoonsful three times a day, given in milk or some mucilaginous tea. The stomach must be well cleaned before the tincture is used, and the diet light. COMPOUND TINCTURE OF GENTIAN. Take of gentian root bruised 2 ounces, orange peel do. 2 ounces, cardamom seed do. ½ ounce, proof whiskey 1 quart; add the other ingredients to the whiskey, and shake the bottle once a day for fourteen days, when it will be ready for use. This is much used in dyspepsia and debilitated states of the digestive organs. The stomach should be cleaned before it is given. It is not admissable where there is fever. Dose from one to two teaspoonsful in water, to be repeated before breakfast, dinner and supper. OINTMENT FOR MILCH SCALD ON THE FACES OF INFANTS. Take 6 drachms of beefs marrow, 2 drachms oil of sweet almonds, 1 drachm red peruvian bark, powdered, mix and melt over a slow fire. Apply every day, washing it off every morning with mild soap. SIMPLE TINCTURE OF RHUBARB. Take of best Turkey rhubarb 3 ounces and pulverize, good whiskey 1 quart, add the rhubarb to the whiskey and shake it every day for a week, then let it stand ten days and filter through paper, or let it stand without filtering. From a tea spoonful to a large table spoonful is a dose according to the age of the person and nature of the case. It is a good purgative in costive habits. Take it at bed time in sweetened water. SIMPLE SYRUP OF RHUBARB. Take of best Turkey rhubarb 2 ounces, water 1 pint, macerate the rhubarb in the water warm for twenty-four hours; strain off, add 2 pounds of refined white sugar and simmer until they are well mixed, add 2 tablespoonsful of whiskey, stop it tight in a bottle for use. This is a good medicine for infants in teaspoonful doses. AMERICAN COLUMBO. _Medical Properties and Use._ This is a mild tonic, calculated to meet the indications alike with the other bitters of its class. It is a very good and pleasant tonic in indigestion and dyspepsia, improving the appetite and digestion. It is given in infusion and in substance--1 ounce of the pulverized root infused in a pint of boiling water. A small wine glass full of the infusion may be taken once in 2 hours, or from thirty to sixty grains of the pulverized substance, in sweetened water, from 3 to 5 times a day; but the most common way of using the columbo is in combination with other tonics, such as gentian, orange peel, and columbo, of each 1 ounce powdered, then add to them 1 quart of whiskey, of which bitters a tablespoonful may be taken in water three times a day, as a tonic in cases of debility. BLACK ALDER.