Yohimbinum. Johimbin. A crystalline alkaloid obtained from the bark of the Yohimbeha, or Yumbehoa tree, of the Cameroons. N. O. Rubiaceae (?). C23H32N2O4, or C22H30N204. Trituration.   Clinical.-Diuresis. Heart, palpitation

Xanthoxylum. Xanthoxylum americanum. X. fraxineum. Prickly Ash. Toothache-tree. N. O. Rutaceae. Tincture of fresh bark.   Clinical.-After-pains. Asthma. Coccygodynia. Dysmenorrhoea. Earache. Fibroma. Headache. Hemiplegia. Hysteria. Jaw-joint, pain in. Levitation. Menstruation,

Wyethia. Wyethia helenoides. Alarconia helenoides. Melarhiza inuloides. Poison Weed. N. O. Compositae. Tincture of the root.   Clinical.-Amenorrhoea. Asthma. Constipation. Cough. Debility. Diarrhoea. Dysmenorrhoea. Epiglottis, affections of. Fever. Haemorrhoids. Headache.

Wildbad. The Springs at Wildbad, in Würtemburg. (The water contains in 16 ounces, Carbonic ac. gr. 0.972, Nat. m. 1.808, Nat. c. 0.837, Nat. sul. 0.291, K. sul. 0.108, Calc.

Wiesbaden. The Spring at Wiesbaden, in Prussia. (Contains in sixteen ounces Carbonic acid 6.416 cubic inches, Nitrogen 0.103 cubic inches; of the following solids, in grains, Nat. m. 52.49, K.

Voeslau. Mineral Spring at Voeslau, in Austria. (Contains in 100 cubic inches 15.2 gr. of solid constituents: Calc. C. 4.9, Calc. Sul. 2.7, Calc. mur. 0.5, Mag. C. 2.7, Mag.

Viscum Album. Viscum album. Mistletoe. N. O. Loranthaceae. Tincture of ripe berries. Tincture of bruised leaves. Tincture of whole plant.   Clinical.-Aura epileptica. Chorea. Deafness. Dysphagia. Endometritis. Epilepsy. Labour, slow.