ClipArt ETC
This illustration shows the longitudinal section of the tip of a growing stem: e, epidermis extending over surface of the entire tip; a, formative region; b, upper portion of the zone of elongation; c, cortex; x, cells of the central region that by further growth form the vascular bundles; l, first appearance of the leaves.

Growing Stem

This illustration shows the longitudinal section of the tip of a growing stem: e, epidermis extending…