Attributed works:
12. Decorative Screen, by Leonardo da Vinci. Pen and Ink. (Ambrosiana, Milan).
Attributed works:
13. Botanic Garden, Padua, after Visiani. 1839.
Attributed works:
14. Assorted Flowers, by Leonardo da Vinci. Pen and Ink over Metal Point. (Accademia, Venice).
Attributed works:
15. Coix lachryma-jobi, by Leonardo da Vinci. Pen and Ink over Black Chalk. (Royal Library, Windsor Castle). Reproduced by Gracious Permission of H. M. the Queen.
Attributed works:
16. Sparganium erectum ssp. microcarpum, by Leonardo da Vinci. Red Chalk. (Royal Library, Windsor Castle). Reproduced by Gracious Permission of H. M. the Queen.
Attributed works:
17. Typha angustifolia, by Leonardo da Vinci. Red Chalk. (Royal Library, Windsor Castle). Reproduced by Gracious Permission of H. M. the Queen.
Attributed works:
18. Lilium candium, by Leonardo da Vinci. Pen and Ink, Brown Wash, Black Chalk Heightened with White. (Royal Library, Windsor Castle). Reproduced by Gracious Permission of H. M. the Queen.
Attributed works:
19. Viola, sp., by Leonardo da Vinci. Pen and Ink. (Bibliothèque de l'Institut, Paris).
Attributed works:
20. Cyperus sp. (Below) Scirpus lacustris (Above), by Leonardo da Vinci. Pen and Ink. (Royal Library, Windsor Castle). Reproduced by Gracious Permission of H. M. the Queen.
Attributed works:
21. Ornithogalum umbellatus, by Leonardo da Vinci. Pen and Ink and Red Chalk. (Royal Library, Windsor Castle). Reproduced by Gracious Permission of H. M. the Queen.
Attributed works:
22. Viburnum opulus, by Leonardo da Vinci. Red Chalk, (Royal Library, Windsor Castle). Reproduced by Gracious Permission of H. M. the Queen.
Attributed works:
23. Quercus robur, Genista tinctoria, by Leonardo da Vinci. Red Chalk. (Royal Library, Windsor Castle). Reproduced by Gracious Permission of H. M. the Queen.