Leaf 4a and 4b, from Master Shen Fengchis Orchid Manuel Vol. IV, 1882 - Zhenlin Shen
Evening, North Wales 2 - Benjamin Williams Leader
Dioscorea decaisneana Yam - (after) Lefebvre or Lefevre, Adolphe
Still-life 1940 - Robert King
Rosa Acicularis Viridis - Pierre-Joseph Redouté
Flowers In A Landscape - Severin Roesen
The River - John Henry Twachtman
Yellow Flowers - Ivan Polya
Top row- Maize, Equisetum and Labruscae flos. Bottom row- Daisy, Jarus and Marjoram, illustration from The Simple Book of Medicines, by Mattheaus Platearius d.c.1161 c.1470 - Robinet Testard