Cicuta virosa, Linn. ("Cicuta aquatica" is Phellandrium aquaticum). Nat. order , Umbelliferae. Common names , Water Hemlock, Cowbane; (G.) Wasserschierling, Wütherich; (Fr.) La cigue vireuse. Preparation , Tincture of the fresh root, collected when the plant begins to flower (Hahnemann). Authorities. 1 , Hahnemann, R. A. M. L., 6, 263; 2 , F. H---n, ibid.; 3 , Hornburg, ibid.; 4 , Langhammer, ibid.; 5 , Allen, Synopsis, poisoning, ibid.; 6 , Bresl. Samml., 1729, poisoning, ibid.; 7 , Wepfer, de cicuta aquatica, ibid., with additions from Wibmer's details of the cases of poisoning; 8 , Lembke, proving with repeated doses of 10 to 200 drops of tincture, A. H. Z., 51, 109; 9 , Tragus, effects of an infusion of root in a woman, Wibmer; 10 , Scaliger, effects of eating root, Wibmer; 11 , Reimann, ibid.; 12 , Gäritz, two girls, aged 4 and 6, ate the root, ibid.; 13 , Box, in Schwenke, from Wibmer; 14 , Blom, a man ate root, ibid.; 15 , Ettinger, effects of eating the root, ibid.; 16 , Trew, ibid.; 17 , Bennewitz, child ate the root, Frank's Magazine, 1, 39; 18 , Meyer, ibid.; 19 , Allihn, Hartlaub and Trinks, R. A. M. L., 3, 359, poisoning; 20 , Velten, seven children ate the root, Casp. Woch., 1840, No. 19; 21 , Schleiser, a girl ate the plant, Hempel's Mat. Med., 2, 183; 22 , Willson, effects of eating root, Lancet, Sept. 1871; 23 , Lenden, three boys ate the root, B. and F. Med.-Chir. Rev., April, 1866; 24 , a student took 15 grammes of root in half an hour, Schmidt's Jahrb., 1; 25 , L'Art Méd., 20, 460, case of poisoning by an omelette containing Cicuta.