Micrographs of the leaf surfaces of Acer laurinum. A Adaxial surface showing cell shape and organization (Cult., in Hort. Bog. III,K,37) B Adaxial surface showing cuticle (Sandkuhl 21296) C Abaxial surface showing cell shape and organization of cells and stomata (Sandkuhl 21296) D Abaxial surface showing cuticular wax (Wen 13386). All leaf materials are from specimens deposited at US, parenetical information in this legend refers to the collector name and number.