166

GKOS

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Medicinally all the parts are bitter and powerfully astringent, and areemployed in cases of chronic diarrhoea and worms, and in form ofinjection in leucorrhcea, &c. The dose is 5SS to 3J of the powder,and ^ss to 5 j of the decoction. It is also given in form of syrup.GratioLjB Officinalis Herba. E. D. P. Hedge Hyssop. A nativeof the south of Europe, of a strong, bitter, nauseous taste, but withlittle smell. It is a mistake that gratiola forms the basis of the EauMedicinale.

Medicinally it is purgative, diuretic, and occasionally emetic, and isgiven as a vermifuge, and as a hydragogue in dropsy, in doses ofgr. x every hour, till the desired intention is fulfilled. It has alsobeen given with some effect in asthma.

Poisonous, in large doses, producing hypercatharsis, vomiting, retching,great thirst, convulsions, and death. It is best treated with demul-cents and sedatives.

Grecian Water is a solution of nitrate of silver disguised, for thepurpose of dyeing the hair black. The hair so dyed soon becomespurple on exposure to the light.

Greenough's Tincture for the Teeth. Take 31J of bitter almonds, 3SSeach of Brazil wood and cassia berries, 5y of Florentine iris-root, Jjeach of super-oxalate of potass, alum, and cochineal, Jss of spirit ofhorse-radish, and Oij of spirit of wine. Digest for seven days,and strain.

Green's Drops are prepared by making a solution of oxymuriate ofmercury in a vegetable tincture, in order to avoid detection.

Green's Tooth Powder. Take Jj each of dried sage leaves, crust ofbread, and muriate of soda, and 5J each of nutmeg and cloves pow-dered ; triturate and mix in a mortar.

Green Vitriol, or Copperas. See Ferri Sulphas.

Grev Lotion is prepared by adding variable proportions, according tothe case, of submuriate of mercury to lime water. Used for soothingirritable sores.

Grindle's Cough Drops are a tincture of opium, prepared with recti-fied spirit. A very unsafe nostrum.

Grits, or Groats. The decorticated seeds of Oats. Avena saliva. Usedin making gruel. See Avena.

Guestonian Embrocation. Take gjss each of olive oil and oil ofturpentine, Jiij of diluted sulphuric acid ; mix, and apply to the sur-face of rheumatic joints, &c.

Gromwell. P. A native plant, Lithospernum officinale, the seedsof which were formerly prescribed in calculous complaints, but arenow disused.

Grossuline. Dr. Thomson says that the bases of jellies from acidfruits, such as gooseberries, consist of gum and an acid, probably