salt rheum
Popular name in the United States, for skin eruptions, such as eczema.
Eczema; inflammatory skin disease, indicated by redness and itching,
eruption of small vesicles, and discharge of a watery exudation, which
often dries up, leaving the skin covered with crusts;--called also
tetter, and milk crust.

sanguinaria
Rhizome (horizontal, underground stem) and roots of the bloodroot
(Sanguinaria canadensis) used formerly as an expectorant and emetic.

sedulous
Persevering and constant in effort or application; assiduous.

senna
Plants of the genus Cassia, having showy, nearly regular, usually yellow
flowers. Dried leaves of Cassia angustifolia or C. acutifolia, used as a
cathartic.

santonin
Colorless crystalline compound, C15H18O3, wormwood, especially
santonica; used to expel or destroy parasitic intestinal worms.

sarsaparilla
Tropical American plants, genus Smilax, with fragrant roots used as a
flavoring. Dried roots of any of these plants. Sweet soft drink flavored
with these roots.

savin