Hydrastis
(probably from hydor, water, and drao, to act; in allusion to the active properties of the juice). ORD. Ranunculaceae. a monotypic genus, the species being a hardy herbaceous perennial. It is of somewhat difficult culture, and must be grown in loam and leaf mould, in a moist situation. Increased by divisions of the root.
H. canadense (Canadian). Orange Root. fl. greenish-white, small, solitary; petals none. May and June. l. rounded, heart-shaped at the base, five to seven-lobed, doubly serrate, veiny; when full grown, in summer, 4in. to 9in. wide. Stem simple, hairy. h. 1ft. North America, 1759. (B. M. 3019, 3232.)