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Ordinary epidermis
Guard cells
Thick cuticle
Thicker cuticle
Thin cuticle
Parasitic plant
Petal epidermis
Sclerified epidermis
Papillose epidermis
Sculptured cuticle
Elaborate cuticle
Cuticular horns
Radial walls
Cuticle proper
No epidermis
Epidermal peels
Cycad peel
Paradermal
Typical stoma
Sunken stoma
Stomatal orientation 1
Unusual orientation 2
Artifact
Stomata and fibers
Stomatal crypts
Crypts, mag.
Crypt margin
Non-crypt
Water lily
Stomatal channels
Groove, hi mag
Subsidiary cells
Ledges
Papillae
Trichome
Uniseriate hair
Peltate hair, mag
Peltate, lo mag
Branched hairs
Trichome base
Lithocyst, Ficus
Lithocysts, hemp
Bulliform cells
Grass epidermis
Multiple epi
Uniseriate?
Peperomia

Fig. 10.2-13. Transverse section of yucca leaf (Yucca). These epidermis cells have a very thick deposit of cutin, and it even penetrated into the radial walls (the walls that run from the inner side of the cell to the outer side), even extending down to the inner wall. The two arrows indicate pale lines in the cuticle: such lines usually mean that the cells are actually cuboidal, and that the outer wall and the outer parts of the radial walls have thickened and are now encrusted with cutin. (Alternatively, the cells could be rounded, with so much cutin that it has filled in all the valleys between cells; but when that happens, there are no pale lines.)