mountain-flax

from The Century Dictionary.

• noun A plant, Linum catharticum or Polygala Senega. See flax, 1 and , and Linum.
• noun A fibrous asbestos, especially when spun and made into cloth.
• noun Same as purging-flax.
• noun Same as Seneca snakeroot (which see, under snakeroot).
• noun The lesser centaury, Centaurion Centaurium. Also called bitter-herb and earth-gall.