Flower bud. Light microscope image (LM) of a section of a flower bud. The small dark green pollen grains are visible in the anthers, the male part of the flower. The ovary and ovules ( mid center) are borne in the pistil and form the female part of the flower. Around the outside of these are petals and sepals. Magnification: x30 when printed at 10 centimetres wide