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Fluid Extract of Yarrow

4591. Alkaline Fluid Extract of Take of yarrow (the recently dried herb) Rhubarb. Take of fluid extract of rhubarb in coarse powder, 8 ounces; dilute alcohol (2) (by repercolation), 1 fluid ounce; neutral parts 95 per cent. alcohol and 1 part water), carbonate of potassa, 80 grains; water, 1 fluid a sufficient quantity. Pour over the powdered ounce. Dissolve the carbonate in the water; herb 4 ounces of the diluted alcohol, and work to this add the fluid extract, and let the mixthrough with the hands until thoroughly ture repose 6 to 12 hours; then strain moistened; allow it to stand in a covered through muslin, and filter, if desirable. The jar for 24 hours. Fack closely in a funnel or alkaline fluid extract of rhubarb can be mixed other displacer and proceed to displace until with water in any proportion, affording a per- 24 fluid ounces are obtained, which, if perfectly clear and transparent liquid of a deep formed with proper care, will exhaust the red color. Another alkaline fluid extract of herb, as tested , by tasting the droppings. rhubarb will be found in No. 4586. 4592. Moore's Fluid Extract of Cimi- covered the surface with a piece of muslin on cifuga Racemosa (Black Cohosh or perforated paper, pour on the menstruum, Black Snakeroot.) Take of cimicifuga, in and continue the percolation to exhaustion, to exhaustion, No. 50 powder, 16 ounces, troy alcohol 95 reserving 1½ ounces of the first runnings, evaprunnings, evapper cent., diluted alcohol, of each a sufficient orate the remainder over a water-bath until quantity. Moisten the root with the alcohol, reduced to 9 fluid ounces, to which add 4 pack closely in the displacer, and pour on al- ounces sugar and dissolve. Strain, if necesdissolve. Strain, if necescohol gradually until 8 fluid ounces have sary, and add the reserved portion. The dose passed through, which reserve in a covered of the extract is one tea-spoonful, representing vessel to prevent evaporation, then proceed 80 grains of the root. Burdock is one of the with dilute alcohol until the root is thor- best vegetable alteratives, or blood depurents, oughly exhausted. Evaporate over a water- and it is believed that this fluid extract might bath until all the alcohol is driven off; set it be advantageously substituted for that of sarsubstituted for that of saraside to cool, that the resinous portion ex- saparilla, as a more efficient and reliable tracted may be deposited, which separate and alterative, or at least as a valuable addition add to the alcoholic portion first obtained; to it. then proceed with the evaporation until re- 4597. Fluid Extract of Chamomile. duced to 8 fluid ounces, and mix the two pro- Take of fresh chamomile flowers, 1 pound; ducts; allow it to stand 48 hours, and then alcohol of specific gravity .871. Moisten the . Moisten the filter. (See No. 4575.) chamomile in coarse powder, with the alcohol, 4593. Compound Fluid Extract of then pack in a percolator, and cover with the Squills. This is alcoholic, in which 3 parts alcohol; digest 6 days, and draw off 12 ounand draw off 12 ounalcohol are diluted with 1 part water. Take ces, which set aside. Continue the displaceaside. Continue the displaceof squills and seneka, cach 16 ounces troy, re- ment with diluted alcohol, until it is freely duced to a moderately coarse powder. Moist- exhausted of its bitterness, which evaporate , which evaporate en with about 12 ounces of the liquid, and in a vacuum to 4 fluid ounces . Mix and fiter. pack firmly in a conical percolator; cover the 1 drachm of this preparation represents CO surface with a cloth and pour on of the same grains of chamomile flowers, which is usually menstruum until 6 pints have slowly passed, given in doses of 20. grains, as a tonic, to 1 reserving carefully the first 24 ounces. Evap- drachm, as an antiperiodic-making the dose orate the remainder in a water-bath at 150° for like cases from 20 minims to 1 fluid Fahr., until reduced to 8 fluid ounces. Mix drachm. it with the reserved tincture, and, after stand-