_Preparations:_ Oil; Spt.; Syr.--all flavorings.

~Lenigallol.~

PYROGALLOL TRIACETATE, _Knoll._--White powd.--INSOL. in water; sol.

with decomposition in warm aqueous solut's of alkalies.--Mild succedaneum for Pyrogallol: non-poisonous, non-irritating, and non-staining.--APPLIED in 1/2--5% oint.

~Lenirobin.~

CHRYSAROBIN TETRACETATE, _Knoll._--INSOL. in water.--Mild "reactive" or "reducing" Dermic; succedaneum for Chrysarobin especially in herpes; non-poisonous, non-irritating, non-staining.--EXTERN. like chrysarobin.

Leptandra--U.S.P.

CULVER'S ROOT.--~Dose:~ 20--60 grn.--_Preparations:_ Ext. (D., 3--10 grn.); F.E. (1:1).

~Leptandrin Merck.--Pure.~

~Dose:~ _Cholagogue_ and _alterative_, 1--3 grn.; _purgative_, 8 grn.

~Levico Water,~--see AQUA LEVICO.

~Lime Merck.--U.S.P.~

CALCIUM OXIDE; BURNT LIME.--Escharotic, in cancers, etc.

~Lime, Sulphurated, Merck.~

(So-called "CALCIUM SULPHIDE".)--~Dose:~ 1/4--2 grn.

~Lime Water,~--see SOLUTION, CALCIUM HYDRATE.

~Liquor,~--see SOLUTION.

~Listerine.~

Not completely defined.--(Stated: "Essential antiseptic const.i.tuents of thyme, eucalyptus, baptisia, gaultheria, and mentha arvensis, with 2 grn. benzo-boric acid, in each fl. dr.--Clear, yellow liq. of arom.

odor.--Antiseptic, Deodorant, Disinfectant.--~Dose:~ 1 fl. dr., diluted.--EXTERN. generally in solut. up to 20%.")

~Lithium Benzoate Merck.--U.S.P.~

~Dose:~ 5--20 grn.

~Lithium Bromide Merck.--U.S.P.~

~Dose:~ 10--30 grn.

~Lithium Carbonate Merck.~

~Dose:~ 5--15 grn.

~Lithium Citrate Merck.~

~Dose:~ 5--15 grn.

~Lithium Hippurate Merck.--C.P.~

White powd.--SOL., slightly in hot water.--~Dose:~ 5--15 grn.

~Lithium Iodide Merck.~

SOL. in water.--~Dose:~ 1--5 grn.

~Lithium Salicylate Merck.--U.S.P.--C.P.~

~Dose:~ 10--30 grn.

Lobelia--U.S.P.

_Preparations:_ F.E. (D., 2--10 min.); Tr. (D., 10--40 min.).--See also, Lobeline.

~Lobeline Sulphate (fr. Seed) Merck.~

Very deliquescent, yellow, friable pieces.--SOL. in water, alcohol.--USES: Chiefly asthma; also dyspnea, whooping-cough, and spasmodic neuroses.--~Dose:~ (_Spasmodic Asthma_): 1 grn. daily, gradually increasing to 3--6 grn. daily.--Children 1/6--3/4 grn.

daily.--ANTIDOTES: Stomach siphon, emetics, tannin; later brandy, spirit ammonia; morphine.

~Loretin.~

Yellow, odorl., insol. powd. Forms emulsions with ethereal and oily fluids (especially w. collodion).--Succedaneum for iodoform externally.--APPLIED like the latter.

~Losophan.~

TRI-IODO-CRESOL.--Colorl. needles, peculiar odor; 80% iodine.--SOL. in ether, chloroform; insol. in water.--Antiseptic, Vulnerary, Dermic--EXTERN. in 1% solut. in 75% alcohol, or in 1--3% oint.

Lupulin--U.S.P.

~Dose:~ 3--8 grn.--_Preparations:_ F.E. (1:1); Oleores. (D., 2--5 grn.).

~Lycetol.~

DIMETHYL-PIPERAZINE TARTRATE.--Wh. powd.--SOL. in water.--Uric-acid Solvent, Diuretic--USES: Gout, lithiasis, etc.--~Dose:~ 4--10 grn.

Lycopodium--U.S.P.

Used only extern., as dusting-powd.

~Lysidine.~

50% solut. Ethylene-ethenyl-diamine.--Pinkish liq.; mousy odor.--MISCIBLE with water.--Uric-acid Solvent, Diuretic--USES: Gout, lithiasis, etc.--~Dose:~ 15--30 grn., in carbonated water.