Not sure if that is a true black form of gracilis as the inside of the pitchers are green and those that are not coverwed with dirt are dark maroon. It may be a dark maroon form but this has very consistent colors on the entire pitcher.
The third picture of the raff (upper pitcher) is really nice. Love the large wings and stout look.
By the way Wong, I've helped you attach the pictures on your post so they appear rather than a link.