Which of the following is incorrect about monocot stem?

 In monocot stem,the phloem parenchyma is absent, and water-containing cavities are present within the vascular bundles.

The monocot stem has a sclerenchymatous hypodermis, a large number of scattered vascular bundles, each surrounded by a sclerenchymatous bundle sheath, and a large, conspicuous parenchymatous ground tissue.

 Vascular bundles are conjoint and closed. Peripheral vascular bundles are generally smaller than the centrally located ones