T.S. of root of Eichhornia crassipes stained with methylene blue.

The image shows the epidermis, cortex and vascular bundle. Single layered epidermis followed by hypodermis region. Outer and inner cortex is made up of parenchymatous cells. Each air space has trabeculae. Stele is surrounded by endodermis and pericycle. Vascular bundle showing xylem, phloem and pith.

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