Transpiration.

The Xylem vessels ramify in the leaves to form a branching system of the vessels called leaf veins. Water diffuses from xylem vessels in veins through adjacent cells down its water potential gradient.

As in the roots, it uses the Vacuolar pathway through it vacuoles, Symplast pathway through living cytoplasm and Apoplast pathway through non-living cell walls.

Since xylem vessels…