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4 results filtered with: Lettuce
  • Opium lettuce (Lactuca virosa): entire flowering and fruiting plant. Coloured etching by C. Pierre, c. 1865, after P. Naudin.
  • A plant (Lactuca tuberosa) related to lettuce: entire flowering plant with separate flower and seed. Coloured engraving after F. von Scheidl, 1770.
  • A histogram comparing the vitamin C content of various foods. Colour lithograph.
  • A histogram comparing the vitamin C content of various foods. Colour lithograph.