This section is from the "Embroidery Stitches" book, by M. E. Wilkinson. Amazon: Embroidery Stitches.
Cross Stitch (Variegated). Ordinary Cross stitch may be variegated in numerous ways by the addition of extra stitches, to form ornamental borders, as in (a), {b), (c).
(a)

(b)

(c)

 
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