Usnea barbata, Tree-moss.

Botanical name: 
Please read the introduction to Boericke's tinctures.

Is a remedy in some forms of congestive headache; sunstroke.
Head.--Bursting feeling, as if temples would burst, or the eyes burst out of the sockets. Throbbing carotids.
Relationship.--Compare: Glonoine; Bellad.
Dose.--Tincture, drop doses.

Boericke's Materia Medica, 1901, was written by William Boericke. Excerpt: The Tinctures.