584. Achillea.—Yarrow. Milfoil.
584. ACHILLEA.—YARROW. MILFOIL. The herb of Achille'a millefo'lium Linné, common in Europe and North America. Stem hairy, branched at top bearing the large corymbs of white flower-heads, each composed of five pistillate ray-florets, and greenish-white, perfect disk-florets; leaves lanceolate, thrice pinnatifid, the divisions linear. In market, however, the leaves are broken or crumpled, and the flower-heads destitute of florets; odor chamomile-like; taste aromatic, bitterish, and astringent. Used as a vulnerary and occasionally as an internal remedy for hemorrhages and mucous discharges, as in consumption. Dose: 30 to 60 gr. (2 to 4 Gm.), in infusion.