Bernard de Jussieu (1699-1777), French botanist. As a demonstrator at the Jardin des Plantes, Paris, Jussieu designed a botanical garden in which groups of related plants were planted together. This design reflected a system which became the basis of modern classification. Jussieu compared the flowering structures of ferns and those of higher plants. He also began a process of putting genera into families. Jussieu was the first to suggest that polyps were animals. Lithograph from 'Galerie medicale' (1825-1829), a collection of portraits by Pierre Roch Vigneron (1789-1872).