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The blue flower has no leaves yet, as I'm tired, and need to study it tomorrow. - but here is the chart for the little pink one to keep you busy.
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Patterns and Tutorials for Needlepoint and Other Fine Things
Another alternative would be to simply fill in with basketweave around the basic four-way bargello motif. I have marked the centers on both designs, but you will need to mark the diagonals yourself on the circle (trusty Sharpie or Pilot ultra fine point drawing pen)