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8 results
  • The Panama Canal: for an enquiry into its financing, a policeman guards a prison-cell in which some of the principals are remanded. Watercolour drawing by H.S. Robert, ca. 1897.
  • Open stoma on an orchid leaf (Phalaenopsis sp.)
  • Open stoma on an orchid leaf (Phalaenopsis sp.)
  • Buddleia (Buddleja davidii) leaf
  • Surface of a mint leaf
  • Stoma and chloroplasts of maize leaf
  • Louis XVI's farewell from his wife Marie Antoinette and their distressed children. Wood engraving by J.B.C Carbonneau after J. R. Charlerie.
  • Feverfew stoma