Asarum Canadense. Canada Snake-Root. N. America. N. 0. Aristolochiacece

Used for ascarides in children, in infusion or syrup, or chewed like licorice root.

Asarum Europaeum. Asarbacca

Indigenous, but very rare.

Rhizome. Warm, irritating stimulant, producing purging and vomiting. It was formerly used as an errhine in Cephalic snuff.

Asclepias Incarnata. White Indian Hemp. N.America. N.O. Asclepiadacea

Rhizome. Purifying cathartic. Used in catarrh, rheumatism, and syphilis. Dose fluid extract, 20 to 60 minims every three hours. Recently recommended as a speedy and reliable diuretic. Tincture (1 in 10) dose, 10 to 30 drops.

Asclepias Tuberosa

Pleurisy or White Root.

Large fusiform root. Diaphoretic diuretic; promotes perspiration in pleurisy, and inflammation of the lungs, without stimulating. Dose of fluid extract, 1/2 to 2 fluid drachms.

Asclepin. C20 H34 03

Influences the serous tissues, especially in febrile dysentery.

Asclepias Cornutum. (A. Syriaca.)

Silk or Milk Weed.

Root-bark; purgative, emetic, and heart-tonic. Dose of fluid extract, 1/2 to 1 fluid drachm. Valuable as a diuretic in dropsy, in doses of 10 drops of fluid extract, every 4 hours. Tincture 1 in 10. Dose, 10 to 30 minims.

Aseptol. Sozolic Acid. Orthophenolsulphonic Acid. Sulphocarbol. C6H5OS03H. = C6 H4 OHS02 OH

A brownish red syrupy liquid, formed by the union of carbolic sulphuric acids; s. g. 1.45. Aseptol generally contains one third sozolic acid. Slight odour. Soluble in alcohol, water and glycerine.

Therapeutics. An antiseptic, less powerful than carbolic acid: used in aqueous solutions, containing 5 to 10 per cent. of aseptol.

It is antiseptic, without poisonous or irritating properties; especially adapted for surgery.

Asparagin, or Althein. C4 H8 N2 03. H2 O

From Asparagus officinalis, Althaea, etc. Diuretic in gout and dropsy, and hypertrophy of the heart. Dose, 1 grain, three times a day.

Aspidosperma

(See Quebracho.)

Aspidospermine. C22 H30 N2 02

This alkaloid is the active principle of true Quebracho bark (which see). Relieves the difficult breathing of asthma. Dose, 1/4 to1/2 grain, in water acidulated with sulphuric acid.