What details can be observed when examining a vascular bundle under a microscope?

When examining a vascular bundle under a microscope, one can observe the arrangement of xylem and phloem tissues, the presence of cambium cells, and the overall structure of the bundle. Xylem tissue typically appears as elongated cells with thick cell walls, while phloem tissue is made up of sieve tubes and companion cells. The cambium layer, if present, will be seen between the xylem and phloem tissues. Additionally, the size and shape of the vascular bundle can provide information about the plant species and its growth patterns.