A Turk's-cap lily (Lilium martagon), a harebell (Campanula rotundifolia) and a pansy (Viola species): flowering stems. Etching by N. Robert, c. 1660, after himself.

Lettering: Campanula minor rotundifolia B. Lilium montanum flore purpurascente punctatum Eyst. Viola montana lutea grandiflora B. 16 NR. cum pri re