Light micrograph of a cross section of the stem of Ruscus aculeatus, commonly referred to as Butcher's broom or box holly. Ruscus is a genus of six species of flowering plants in the family Asparagaceae. It is reported as having several health benefits including diuretic and laxative properties and reduction of inflammation. Multiple vascular bundles are located throughout the cortex of the stem. Magnification: x20 at 10cm wide.