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Development of Leaves with Dissected Lamina.
Plate from Mercklin (1846a): Baptisia minor, Fabaceae (illustrations 1 to 11), Amicia zyffomeris, Fabaceae (illustrations 12 to 26, 30 to 32, and 34), Melianthus major, Melianthaceae (illustrations 27 to 29, 33, and 35 to 38). Note the careful observations of the formation of leaflets from an initially simple upper leaf zone. (Image courtesy of the Botany Libraries of Harvard University.)
