Study of a Plant with Red-Purple Flowers (Sebastiana africana purpurea)

Honesty (Lunaria annua)

Unknown Artist

Lupine (Lupinus)

Unknown Artist

Flower Study

Anonymous, French, 19th century

Geranium spinosum

Robert Jacob Gordon

Clematis

Unknown Artist

Kerstroos (Helleborus niger)

Unknown Artist

Botanical Study of a type of Yellow Gentian (genus Gentiana Major) (recto); Botanical Study of the Ascyrum Hypericoides (verso)

Anonymous, French, 19th century

Poison Ivy from the Plants series

Louis Prang & Co.

A Columbine or Granny's Bonnet (Aquilegia), with Additional Studies of Flowers

Pieter Holsteyn II

Oost-Indische kers (Tropaeolum majus)

Unknown Artist

Waterkers (Rorippa of Nasturtium)

Unknown Artist

A Dictamnus

Balthasar van der Ast