Juri, those are really interesting color
patterns. On the first, apparently there are both yellow and violet
patterns, both distributed roughly the same.
I think the "Umbrata" pattern can take quite a
variety of forms--including pigmented vein patterns radiating out across the
fall, washes of color down the haft, and upper fall "washes" (borrowing a term
used in painting). Here's an example of an Umbrata restricted to a zone
across the haft only--this comes from ROMANTIC EVENING.
Umbrata with pattern restricted to band
Neil Mogensen z 7 western NC
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