Wednesday, 28 February 2024

Plants We Used to Use 379. Saw-wort

Medieval textile workers obtained dyes from Saw-wort (Serratula tinctoria). This plant's leaves, contain several long-lasting yellows and the roots, a blue dye.
-

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)
  • Stepping On the Gas?
      It should hardly be called a study. A  Which comparison looked at levels of nitrogen dioxide and small particulates (PM 2.5s) in 5  Londo...
  • Gridlock in European Cities
      Europe has a city congestion problem. In 2023, London was the most gridlocked location, closely followed by Paris and Dublin. In that year...
  • Charging Electric Vehicles (For Road Use)
    It's necessary, where possible, to replace diesel and petrol-fueled vehicles by electrical equivalents. Electric vehicles (EVs) don...