archaic or obsolete terms > Herbs & Plants: Acorus calamus, sedge, calamus, sweet flag, sweet root, sweet rush, sweet cane, gladdon, sweet myrtle, myrtle grass, myrtle sedge, cinnamon sedge. The Sweet Sedge is a vigorous, reed-like, aquatic plant, flourishing in ditches, by the margins of lakes and streams and in marshy places generally, associated...