Haplopappus laricifolius.

Botanical name: 

Syn.—Bigelovia Arborescens, Ericameria laricifolia, Yerba del Pasmo.
P. E.—Herb and root.
N. O.—Compositae
N. H.—California, Mexico.

Use: In cardiac dyspnea, result of nervous condition, it is of value. Has a pronounced influence on the pneumogastric nerve. It has some value as an aphrodisiac. Highly recommended in chorea. This drug needs further investigation.

The Materia Medica and Clinical Therapeutics, 1905, was written by Fred J. Petersen, M.D.