Part B

_ Stems

6. Observe a prepared slide of the stem of Zea mays, a monocot, and find the epidermis and the photosyn-thetic layer. It should look like the top photograph on the next page. In the center, look for the vascular bundles made up of xylem and phloem. Draw a diagram showing the location of the vascular bundles and the epidermis layer as they appear when viewed under low power.

7. Switch to high power, and observe a vascular bundle. Draw the vascular bundle, and label the tissues.

8. Observe a cross section of Ranunculus, a nonwoody dicot stem. Compare your slide with the photograph

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