See More Marram Grass & Plant Section images here!	This is low power section through an Ammophilia (marram grass) leaf. Marram grass is a colonising species on sand dunes and therefore needs to survive where the environment offers little water supply. It has long roots to locate water and this helps to bind the sand together. The lower epidermis -{E} has a thick waxy cuticle and no stomata. Photosynthetic tissue -{C} is protected from direct sunlight to reduce the demand for water: the leaf is rolled up! The internal environment -{A} is 'still', and hairs -{D} are also present, to reduce air currents and so help prevent evaporation. Other processes are shown: hinge cells -{B}, upper epidermis - with stomata -{F}, xylem vessel -{H}, and phloem -{G}. See more here: Leaf sections and stomata in our Gallery Visit the Botany Section in the Museum
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