Both are "自引" since they come from same lab.
含金量有限, 湊數可以, 千萬不可大吹大擂.
不過如果你論文中的研究方法是你獨創的話, your boss should give your credit in his reference letter (if s/he is on your reference list) and stress the importance or impacts of the method you developed.
Just for reference!!
