“…In fact, although its significance has been underemphasized in histories of the field, the bean was second only to the chicken egg in providing seventeenth-century researchersboth preformationists and epigeneticists -with a readily observable example of 'embryonic' growth. Marcello Malpighi and William Harvey, who worked alongside Highmore, both experiment with beans; Theodor Kerckring, turning an explicit analogy into a conceptual metaphor, calls a fetus he dissects a 'black cherry' (Kerckring, 1672, 4021; see also Keller, 2000).…”