1. PHG 222Dr. Tagheed A. Ibrahim

2. Starch Potato (low power) Potato (low power) Potato (high power) Potato (high power) Wheat (low power) Wheat (low power) Wheat (high power) Wheat (high power)

3. Maize (low power) Maize (low power) Maize (high power) Maize (high power) Rice (high power) Rice (high power) Rice (low power) Rice (low power)

4. Calcium Oxalate Styloid (Prism) in Quillaia Clusters in Rhubarb Crystal Sheath in Senna

5. Crystal Layer in Datura Idioblast in Belladonna

6. Pollen grains Hexagonal Pollen Grain in Lavender Spherical Spiny Pollen Grain in Chamomile Triangular Pollen Grain in Clove

7. Stomata Anisocytic Stomata in belladonna Anomocytic stomata in Digitalis

8. Diacytic Stomata in Mentha Paracytic Stomata in Senna

9. Trichomes Labiaceous Hair in Mentha Branched Glanular Hair in Hyoscyamus

10. Unicellular hair in Senna T-Shapped Hair in Pyrethrum Non-glandular Branched Hair in Lavender Non-glandular Collapsed Hair in Digitalis

11. Fibres and sclerieds Fibre in Cichona Fibre in Cinnamon Sclerieds in Galls

12. Chamomile: Spiny pollen grain Lavender: branched hairs, hexagonal pollen grain Clove : triangular pollen grains

13. Anise: branched vittae Coriander: crossed fibres Mentha: Labiaceous Hair Cinnamon: Fibre

14. Galls Lignin Bodies Sclerieds