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  1. Indigo and Ochre I
  2. Indigo and Ochre II
  3. Watercolor Herbs V
  4. Herb Chart on Black
  5. Watercolor Herbs IV
  6. Herb Chart
  7. Typical Animal Cell and Plant Cell
  8. Dandelion - Botanical Illustration
  9. Very old olive tree, Kefalonia, Ionian Islands, Greece
  10. Mushroom Chart I
  11. Redwood forest, Ventana, Big Sur, California
  12. My Greenhouse Botanical I
  13. Volvox colony, light micrograph
  14. Spirogyra algae, light micrograph
  15. Watermark Foliage III
  16. Winter flowers and almond trees in blossom in Lower Galilee, Israel, Middle East
  17. Cumberland Gap, Kentucky
  18. Horse Chestnut - Botanical Illustration
  19. My Greenhouse Botanical IV
  20. Ocho Rios, Jamaica, West Indies, Caribbean, Central America
  21. In the Forest IX
  22. My Greenhouse Botanical II
  23. Window with shutters and window box, Italy
  24. Cell
  25. Cell
  26. Watermark Foliage IV
  27. Orchid, Antigua, West Indies, Caribbean
  28. Apple Tree - Botanical Illustration
  29. Bluebird Branch II
  30. Sunflower - Botanical Illustration
  31. In the Forest VIII
  32. Bracken rhizome, light micrograph
  33. Plant cell
  34. Fall Bouquet
  35. Heroic Peony
  36. Sub-tropical forest and coastline, Hunting Island State Park, South Carolina
  37. Castor oil stem, light micrograph
  38. My Greenhouse Botanical III
  39. Geraniaceae Plate 319
  40. Cherry Tree - Botanical Illustration
  41. Growth rings of a scots pine tree
  42. Botanical Floral Chart I Black And White
  43. Neutral Botanical III
  44. Wild Flowers
  45. Geraniaceae Plate 306
  46. Magnolia Flowers, 19th-Century Artwork
  47. Amalfi Gerbera Daisies
  48. Cherry blossom in Kenrokuen Garden, Kanazawa, Honshu Island, Japan