Tonic water's active ingredient is quinine, a chemical compound derived from the bark of the cinchona tree, native to South America. This alkaloid has long been known to relieve the pain and fever of malaria and other tropical diseases, making it a staple tonic in warm-weather countries.

Thou art boot for many a bruise / And healest many a wound.

a meshed fabric used to make breathable garments

Something got hold of me / It ratttled around my head / Early one morning / On the mourner's bench.