Because the large veins in monocot leaves lie parallel to one another, they are cut at a 90 degree angle in a cross section. Consequently, they produce a highly organized profile. Because branch veins in dicot leaves depart at oblique angles, they are usually cut at an oblique angle in cross sections. Most Dicots have a Palisade arrangement of Mesophyll tissues. While monocots either have a uniform Mesophyll or one in which the Photosynthetic Parenchyma are distributed like spokes on a wheel around the Vascular Bundles.
Sugarcane is an example of the latter.
Some dicots also have C 4 Photosynthesis. We will give you a Typical Dicot and a Typical Monocot leaf to examine. Refresh your memory by examining cross sections of typical Dicot and Monocot leaves. Identify the three major tissues and try to determine whether the leaf has Kranz Anatomy. The basic difference between the stems of Monocots and Dicots is the distribution of Vascular Bundles.