The document discusses the structure of plant stems and roots. It describes the tissues found in dicot and monocot stems such as xylem, phloem, cortex and vascular bundles. It also compares the anatomy of dicot and monocot stems. Additionally, it discusses plant leaf structure including epidermis, palisade layer, spongy layer and stomata. It describes root anatomy with regions like epidermis, cortex and vascular cylinder.