Castanea—U.S.P.
Chestnut.—Preparation: F.E. (D., 1—2 drams).
Catechu—U.S.P.
Dose: 5—20 grn.—Preparations: Comp. Tr. (1:10); Troches (1 grn.).
Celerina.
Not completely defined.—(Stated: "Each fl. dr. represents 5 grn. each celery, coca, kola, viburnum, and aromatics.—Nerve Tonic, Sedative.—Dose: 1—2 fl. drs.")
Cerium Oxalate, Cerous, Merck.—Pure.
White granular powd.; odorl.; tastel.—Sol. in diluted sulphuric and hydrochloric acids.—Sedative, Nerve-tonic.—Uses: Vomiting of pregnancy, sea-sickness, epilepsy, migraine, chronic diarrhea.—Dose: 1—5 grn.
Cetraria—U.S.P.
Iceland Moss.—Preparation: Decoct. (D., 1—4 oz.).—See also, Cetrarin.