100 Embroidery Stitches, Coats & Clark's, 1979
Buttonhole: This insertion stitch consists of groups of four Buttonhole Stitches worked alternately on each piece of fabric to be joined. The upper row is worked as in ordinary Buttonhole Stitch. The diagram shows method of working the groups on the lower row.
Twisted: A small stitch is taken alternately on each piece of fabric to be joined. The needle always enters the fabric from beneath and is twisted once around the thread before entering the fabric for the opposite stitch.
Knotted: This stitch is simlar to Knot Stitch (or Antwerp Stitch) edging, except that the stitches are made alternately on each piece of fabric to be joined. A small Buttonhole Stitch is worked into the edge of the fabric and a second stitch worked over the loops as shown.