石の果実植物(扁桃体)、木版画、1884年に出版のイラスト素材

Stone fruit plants (Amygdaleae), top: Apple tree (Malus domestica, or Pirus malus), a-flowering branch, b-blossom (cross section), c-vertical and horizontal (d) cross section of fruit; European plum (Prunus domestica), a-flowering branch, b-blossom (cross section), c-fruit branch, d-fruit (cross section), e-stone core, f-stone core (cross section); Wild cherry (Prunus avium), a-flowering branch, b-fruit branch, c-blossom, d-blossom without petals, e-cross section of calyx with stamen and pistil, f-fruit (cross section, g-cherry pit; Peach (Persica vulgaris), a-flowerin branch, b-stamen and calyx lobes, c-pistil, d-fruit branch, e-fruit (cross section). Below: Cornelian cherry (Cornus mas), a-flowering branch, b-blossom, c-fruit branch, d-fruit, e-seed (cross section); Pear tree (Pyrus communis), a-flowering branch, b-blossom (cross section), c+d-fruit-vertical and horizontal cross section; Blackthorn (Prunus spinosa), a-flowering branch, b-fruit branch, c-stamens with the calyx lobes, d+e-verical and horizontal cross section, f-stone core; Sour cherry (Prunus cerasus), a-flowering branch, b-fruit branch, c-blossom, d-blossom without petals, e-cross section of calyx with stamen and pistil, f-fruit (cross section, g-cherry pit. Wood engravings, published in 1884.