LM of a section through a leaf of Orchadgrass, Dactylis glomerata, showing the photosynthetic cell layers with the chloroplasts inside the living cells. Three of the phloem / xylem vessels are visible, two of them quite small. The fine longitudinal lines of the macroscopic leaf represent the run of the vascular bundles. Microscopic contrast method : Differential interference contrast. Magnification 300x when printed at 10 centimetres wide.