STEVE LOWRY / SCIENCE PHOTO LIBRARY STEVE LOWRY / SCIENCE PHOTO LIBRARY
Polarised light micrograph of scales from an Elaeagnus sp. leaf. These epidermal scales protect the leaves from dehydration and predation. They are present as a dense covering on the lower surface of the leaf and are less abundant on the upper surface. Magnification: x68 at 10mm wide.
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