1615, Helkiah Crooke, Mikrokosmographia, London: William Jaggard, “A Dilucidation or Exposition of the Controuersies concerning the Historie of the Infant,” Question 31, p. 340,
[…] the hearbe Tormentill which hath seauen leaues resisteth all poysons.
Source: wiktionary
Instead of tea, they drink an infusion of the roots of the tormentil (Tormentilla erecta), which, when boiled, dyes the water reddish, gives it a very astringent taste, and is drank without milk.
Source: wiktionary
The bracken, waist-high at first, was like small hoops at the top of the wood, where the tiny golden tormentil made a carpet and the yellow pimpernel was closing her eager eyes.
Source: wiktionary
The flowers were sparser. Here and there a yellow tormentil showed in the grass, a late harebell or a few shreds of purple bloom on a brown, crisping tuft of self-heal.
Source: wiktionary