Maiden hair stitch is a pretty stitch that can be used as a border stitch or to embroidery foliage. It is very similar to feather stitch especially double feather stitch. Knowing how to stitch the feather stitch will be useful.
Here is a cute little variation of the maiden hair stitch.
Start with a few stem stitches. Then continue making the branches. Note how I have made the branches narrower as we go down.
This can be used to stitch trees in the background of your embroidery design.