This prepared microscope slide features a cross section of a 1-year-old Tilia (basswood) stem, professionally stained to show characteristic dicot stem structures including vascular bundles, cortex, and pith. Mounted on a 25 x 77mm (1 x 3 inch) pre-cleaned optical glass slide with ground edges for safe student handling. Suitable for biology classrooms exploring structure-function relationships in plants. Supports instruction aligned with Next Generation Science Standards (NGSS).