The leaves and flowering tops of Grindelia robusta.

Characters. - Leaves about two inches (5 centimetres) or less long, varying from broadly spatulate or oblong to lanceolate, sessile or clasping, obtuse, more or less sharply serrate, pale green, smooth, finely dotted, brittle; heads many-flowered; the involucre hemispherical, about half an inch (12 millimetres) broad, composed of numerous, imbricated, squarrosely-tipped scales; ray-florets yellow ligulate, pistillate; disk-florets yellow, tubular, perfect; pappus consisting of about three awns of the length of the disk-florets; odour balsamic; taste pungently aromatic and bitter.

Composition. - It probably owes its medicinal properties to a resin and volatile oil.

Preparation.

Dose.

Extractum Grineliae Fluidum............................................

15 min.-l fl. dr.

Uses. - It has been found useful in spasmodic asthma, hay asthma, asthmatic attacks in bronchitis and emphysema, whooping cough, and in chronic bronchitis or bronchorrhoea, especially in old persons. It has also been found to give relief in dyspnoea depending on cardiac disease. The oleo-resin appears to be excreted by the kidneys, and is useful in catarrh of the urinary passages. As a local application it has been recommended to relieve the eruption caused by Rhus Toxicodendron, and to relieve itching and pain in vaginitis and in priapism.

The fluid extract of another non-officinal species, Grindelia squarrosa, growing in California, has been recommended as a remedy for enlarged spleen, ague, and malarious conditions generally, in doses of 1 fl. dr.