Mix two tablespoons of turmeric with half a glass of rubbing alcohol (isopropanol)
Leave to infuse for 10 minutes, filter and apply to paper
Place pressed or flat leaves, flowers and seed heads on the colored paper
Cover with a pane of glass and place in full sunlight (2 hours to several days, depending on the sunlight!)
Add some baking soda to a bowl of water and briefly immerse the artwork
