Pepper. Light micrograph of part of a thinly sliced section through the wall of a pepper fruit (Capsicum annuum). The pepper plant seeds (not seen) are contained in the hollow interior (bottom centre) of the fruit, surrounded by this fleshy edible wall. A vascular bundle (round, upper left) is seen within the fruit wall. Plant vascular tissue contains the xylem and phloem tissues that transport water and minerals, and nutrients respectively. C. annuum is a rich source of vitamin C. Combined brightfield and darkfield illumination. Magnification: x16 at 6x7cm size.