590. RUDBECKIA LACINIATA Linné.—THIMBLE WEED. CONE FLOWER. This indigenous herb is used in catarrhal affections of the urinary tract. Diuretic and tonic. Dose: 15 to 60 gr. (1 to 4 Gm.).

A Manual of Organic Materia Medica and Pharmacognosy, 1917, was written by Lucius E. Sayre, B.S. Ph. M.