Blue straw flower (Catananche caerulea) Strooy Bloeme. / Ptarmica Austriaca. / Immortelle. (title on object); Blue straw flower. Numbered top right: 259. Bottom right the Latin name and a later annotation in Dutch. Part of the third album with drawings of flowers and plants. Tenth of twelve albums with drawings of animals; birds and plants known around 1600; commissioned by Emperor Rudolf II. With explanations in Dutch; Latin and French; Anselmus Boetius de Boodt; 1596 - 1610; paper; watercolor (paint); deck paint; chalk; ink; pen; h 222 mm 脙鈥?w 155 mm