Black line engraving, hand-colored, on cream laid paper, mat 54 x 38 cm. Flowering full-color branch, 4 seed details, seed cone and structure of strobilus.
Line engraving, hand-colored, on cream paper, mat 56 x 41 cm. Whole fruit and fruit cut horizontally. Leaves and flower, immature fruit, leaves, and ovary cut horizontally with key to plant parts.
Line engraving, printed in green and brown, retouched by hand, on cream paper, mat 49 x 36 cm. Fruiting branch with leave; fruit, husk, nut, flower and flower parts.
Line engraving, printed in green and brown, retouched by hand, on cream paper, mat 49 x 36 cm. Branch of tree with fruits and flowers, light blue wash in background.
Watercolor and ink, on cream laid paper, matted in frame 54 x 41 cm. Image 1: Branch with leaves and fruit. Image 2: Part of staminate inflorescence, oak gall, seed parts. Shadows under each specimen.