Natural order , Hypericaceae. Common names , St. John's Wort; (G.), Johannis-kraut, Hartheu; (F.), Mille-pertuis. Preparation , Tincture of the whole plant. Authorities. 1 , Dr. George F. Mueller, Hygea, 5, 484, "Caroline," aged 23, unmarried, took 4 drops of tincture, one dose; 2 , "Catharine," aged 31, took same; 3 , "Madeline," aged 21, took same; 4 , Thorer, Beiträge, 4, 1839, p. 118, effects of 30th dilution, taken in the evening; 5 , Dr. Stokes's provings on self and wife, with 10 to 30 drops of tincture three times a day, also doses of 1/2 to 1 drachm of tincture and of infusion, Hom. Times, 1853 (from German translation, original not accessible); 6 , Dr. Bruckner, A. H. Z., 68, 132, took 6th dilution (first, second, fourth, fifth, sixth days), 30th dilution (seventh day), 6th dilution (eighth, ninth, fourteenth days); 6 a , same prover took (the subsequent year), 1st dilution for a headache; 7 , Schelling, A. H. Z., 79, 22, took 1st dilution (first day), afterwards 6 drops of tincture, and after four days, 1 drop daily for eight days; 7 a , same prover the next year took 1st dilution, three doses in one forenoon.