(kol-in-so' -ne-ah) [after Peter Col- linson, an English gentleman], A genus of labiate herbs. C. canadensis, .stoneroot, healall, is a coarse plant with a disagreeable smell; it has tonic, diuretic, and diaphoretic properties. Dose 15-60 gr. (1-4 Cc.) in decoction; of the fluidextract 10 min.-i dr. (0.65-4.0 Cc); of the tincture (1 : 10) £-2 dr. (2-8 Cc).