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Floral Development.
Plate from Payer (1857). Lophospermum erubescens, Plantaginaceae (illustrations 1 to 22), Veronica speciosa (=Hebe speciosa), Plantaginaceae (illustrations 23 to 43), Veronica buxbaumii, Plantaginaceae (illustrations 44 and 45). (Image courtesy of the Botany Libraries of Harvard University.)
