Micro-pic of a fall of Joseph's Coat. The
fall generally has purple veins on a white background with yellow broken
color. This micro-pic captures all three of these elements.
Note how colors are contained within each
cell. Not a lot of leaching of
anthocyanidins outside the cell. Of particular
interest is how the apparent
color of the anthocyanidin changes from blue to red when yellow
granules are also present in the cell (bottom right
Preparation: surface lightly scraped with
razorblade, specimen in drop of
tap water, coverslip tightly pressed on.
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