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Hydrangea

Botanical: Hydrangea arborescens (LINN.)
Family: N.O. Saxifragaceae

---Synonyms---Wild Hydrangea. Seven Barks. Hydrangea vulgaris. Common Hydrangea.
---Parts Used---Dried rhizome, roots.
---Habitat---The United States.


---History---The Hydrangeas are marsh or aquatic plants, and hence the name is derived from a Greek compound signifying water-vessel. Four of the known species are natives of America; one, the garden Hydrangea (Hydrangea hortensis), is widely cultivated in the gardens of China and Japan. Many methods are employed in this country for imparting the blue tinge to its petals. The oak-leaved Hydrangea (H. quercifolia), a native of Florida, is also cultivated for its beauty.

The bark of H. arborescens is rough, with a tendency to peel, each layer being of a different colour, from which it has probably derived its name 'Seven Barks.' The roots are of variable length and thickness, having numerous radicles, reaching a diameter of more than half an inch. They are externally pale grey, tough, with splintery fracture; white inside, without odour, having a sweetish, rather pungent taste. When fresh, the root and stalks are very succulent, containing much water, and can easily be cut. When dry, they are tough and resistant, so that they should be bruised or cut into short, transverse sections while fresh. The taste of the bark of the dried root resembles that of cascarilla. The stalks contain a pith which is easily removed, and they are used in some parts of the country for pipe-stems.

---Constituents---The root has been found to contain two resins, gum, sugar, starch, albumen, soda, lime potassa, magnesia, sulphuric and phosphoric acids, a protosalt of iron, and a glucoside, Hydrangin. No tannin has been found, but a fixed oil and a volatile oil have been obtained. From the alcoholic extract of the flowers of H. hortensia, two crystalline substances were isolated, Hydragenol and Hydrangeaic acid.

---Medicinal Action and Uses---Diuretic, cathartic, tonic. The decoction is said to have been used with great advantage by the Cherokee Indians, and later, by the settlers, for calculous diseases. It does not cure stone in the bladder, but, as demonstrated to the medical profession by Dr. S. W. Butler, of Burlington, N.J., it removes gravelly deposits and relieves the pain consequent on their emission. As many as 120 calculi have been known to come from one person under its use.

The fluid extract is principally used for earthy deposits, alkaline urine, chronic gleet, and mucous irritations of the bladder in aged persons. A concentrated syrup with sugar or honey, or a simple decoction of the root, may also be used. In overdoses, it will cause vertigo, oppressions of the chest, etc. The leaves are said by Dr. Eoff to be tonic, silagogue, cathartic and diuretic.

---Dosage---30 grains. Of fluid extract, 30 to 100 minims. Of syrup, 1 teaspoonful, three times a day.

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Hydrangea Root
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Hydrangea extract

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Bear in mind "A Modern Herbal" was written with the conventional wisdom of the early 1900's. This should be taken into account as some of the information may now be considered inaccurate, or not in accordance with modern medicine.

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