LEAF ANATOMY KEY

Questions:

1. What two tissues are found within a vein? xylem and phloem
2. What does the word "mesophyll" mean? middle leaf
3. What two layers of the plant contain chloroplasts?
palisade and spongy layers of the mesophyll
4. The outermost layer of cells: ____epidermis_______
5. The waxy covering of the leaf.: _cuticle________________
6. These cells function to open and close stomata. ______guard cells________
7. Outer layer of the vein: ___bundle sheath cells____________
8. Column like cells that lie just under the epidermis. ______palisade cells______
9. Openings that allow for gas exchange. ______stomata________
10. The stalk that connects the leaf to the stem. ____petiole_______