Final answer:
The *lilum ovule* under a microscope is a structure covered by integuments with a micropyle opening and contains antipodal cells, synergids, a central cell, and an egg cell.
Step-by-step explanation:
Under a microscope, the *lilum ovule* would appear as a structure covered by integuments and with an opening called a micropyle. Inside the ovule, you would see three antipodal cells, two synergids, a central cell, and the egg cell.