Flax-Weed, Or Toad-Flax

Linaria vulgaris

HRB-0124Entry “FLAX-WEED, OR TOAD-FLAX” in the 1850 textIn Culpeper’s 1652 first edition

Open in the Concordance

Old claims, quoted verbatim: not medical advice. A warning sits above the claims and never hides them; no warning does not mean safe, only that no source here has flagged the plant.

Substance of concernEFSA: peganineEFSA’s list of substances, not a danger rating. Checked 26 October 2026.

Historical correspondence. Ruled by Mars, by Culpeper. A traditional astrological assignment, kept apart from the modern evidence; it is not a finding.

What it does, in Culpeper: Counter-poison

Culpeper’s claims about it: 9, under 9 headings

  1. DropsyCLM-0006751850 index
    This is frequently used to spend the abundance of those watery humours by urine which cause the dropsy.
    QUO-000540Papers and the EMA’s verdict, in the Concordance
  2. InflammationsCLM-000909
    The juice of the herb, or the distilled water, dropped into the eyes, is a certain remedy for all heat, inflammation, and redness in them.
    QUO-000697Papers and the EMA’s verdict, in the Concordance
  3. JaundiceCLM-001016
    The decoction of the herb, both leaves and flowers, in wine, taken and drank, doth somewhat move the belly downwards, opens obstructions of the liver, and helps the yellow jaundice;
    QUO-000765Papers and the EMA’s verdict, in the Concordance
  4. The decoction of the herb, both leaves and flowers, in wine, taken and drank, doth somewhat move the belly downwards, opens obstructions of the liver, and helps the yellow jaundice;
    QUO-000765Papers and the EMA’s verdict, in the Concordance
  5. LeprosyCLM-001135
    The same juice or water also cleanses the skin wonderfully of all sorts of deformity, as leprosy, morphew, scurf, wheals, pimples, or spots, applied of itself, or used with some powder of Lupines.
    QUO-000818Papers and the EMA’s verdict, in the Concordance
  6. LiverCLM-001185
    The decoction of the herb, both leaves and flowers, in wine, taken and drank, doth somewhat move the belly downwards, opens obstructions of the liver, and helps the yellow jaundice;
    QUO-000765Papers and the EMA’s verdict, in the Concordance
  7. expels poison, provokes women’s courses, drives forth the dead child, and after-birth.
    QUO-000948Papers and the EMA’s verdict, in the Concordance
  8. The same juice or water also cleanses the skin wonderfully of all sorts of deformity, as leprosy, morphew, scurf, wheals, pimples, or spots, applied of itself, or used with some powder of Lupines.
    QUO-000818Papers and the EMA’s verdict, in the Concordance
  9. UlcersCLM-001946
    The juice or water put into foul ulcers, whether they be cancerous or fistulous, with tents rolled therein, or parts washed and injected therewith, cleanses them thoroughly from the bottom, and heals them up safely.
    QUO-001227Papers and the EMA’s verdict, in the Concordance

Source

Nicholas Culpeper, The Complete Herbal, a new edition (London: Thomas Kelly, 1850). Project Gutenberg eBook #49513. SRC-CUL-1850

Quotations are verbatim from the 1850 text, line breaks joined. Modern research and the European regulator’s verdict on each claim are on the Concordance page, kept apart from this historical record.