If)

ALCO

./Ethusa Cvnapium. H. Fools' Parsley, or Lesser Hemlock. Commonin corn-fields and by road-sides, and may be distinguished fromparsley by its nauseous smell when bruised.Poisonous, producing beat in the throat, thirst, vomiting, diarrhoea,vertigo, numbness, delirium, and death. The best antidotes areemetics of sulphate of zinc, and copious draughts of vinegar and water.

-/Ethusa Mbum. H. Spignel, or Bawd Money. Grows on dry ele-vated pastures. The roots and seeds acrid, aromatic, and carmina-tive. Used in ague and as an emenagogue.

Affinity, a tendency to unite in chemical substances.

Agaric. See Boletus.

Agent in chemistry, a substance productive of chemical action.

Agrimonia Eupatoria. D. P. Agrimony, a native herb, common by -hedges and borders of corn-fields, flowering in June and July, whenit should be gathered.Incompatible with sulphate of iron and potass.

Medicinally it is sub-aromatic, slightly astringent, and bitterish, indoses of 3j to 5j or more, of the powder, twice or thrice a day; orin tea, ad libitum, in cutaneous eruptions, dyspepsia, and phthisis :but little used except by old women, with whom it is an herb ofreputed virtue.

Ague Drop, or Tasteless Ague Drop, an enrpirical medicine, the sameas Liquor Arsenicalis, which see.

Albumen, a chemical animal principle, found nearly pure in the whiteof eggs, which contains besides only a little water and free soda. Itis known by coagulating in hot water, and by a solution of corrosivesublimate which will detect the 2000th part in water.

Album GRiECUM. The white fscces of the dog from eating bones. Itconsists of lime and bone earth, with phosphoric acid. It wasformerly used in medicine.

Alchemilla Vulgaris. P. and A. Alpina, H. Common and Al-pine Lady's Mantle. Common native herbs: astringent and vul-nerary, but little used.

Alcoates are compounds of salts with alcohol, and are similar to hy-drates. (Graham.)

Alcohol. L. E. D. P. Spirits of Wine. Procured by distilling froma gallon of rectified spirit, and Ibiij of subcarbonate of potass, spec,gr. -8 J 5. In doses of 5j to Jij or more, properly diluted, and, re-peated occasionally, is a powerful diffusible stimulant, and sedativein typhus, gangrene, and other asthenic diseases. Externally infomentations.Enters into Spir. Ammon. Succinat. L. iEther Sulph. E. D. Spir.Amnion. Foetid. D. iEther Nitros. D. Alcohol Ammoniat. E./Ether Sulph. Conrp. Alcohol. E.