1. Leaf bipinnate petiole primary leaflet or pinna rachis secondary leaflets or pinnules branch

2. Monocot leaf - Bouteloa cuticleupper epidermis bulliform cells

3. Monocot leaf, bulliform cells, Zea mays Bulliform cells xylem vessels mesophyll cells with chloroplasts Bundle sheath cells phloem cuticle Upper epidermis

4. Monocot bulliform cells, thick cuticle, trichome bulliform cells xylem vessels trichome stoma and guard cells sclerenchyma fibers phloem bundle sheath cells

5. Dicot leaf; shade leaf palisade mesophyll veinlets air spaces in spongy mesophyll

6. Dicot sun leaf veinlet spongy mesophyll cells air spaces palisade mesophyll

7. Leaf epidermis surface view secondary veins veinlet areoles included veinlets

8. Xerophyte dicot leaf; Nerium oleander.

9. Aerenchyma leaf mesophyll tissue palisade mesophyll large air spaces spongy mesophyll spongy mesophyll cells very thin epidermis

10. Stipules, Geranium stipules trichomes petiole stem

11. Stipules of Trifolium hybridum, clover. stipule petiole stem