Roman Stripe is the name I've always heard and used.
The block is super easy - here's a .pdf with some basic instructions. How you set them is your preference.
Since you essentially end up with the equivalent of a HST in terms of coloring/value, you can set this any number of ways, including all the variations of a log cabin quilt - Lightening, Barn Raising, Sunshine and Shadows, etc.
http://www.maryquilts.com/wp-content...d-strings1.pdf
Have fun!