*rubrical*

{ , a. 1. Colored in, or marked with, red; placed in rubrics. [ 1913 Webster ]

What though my name stood rubric on the walls
Or plaistered posts, with claps, in capitals? Pope. [ 1913 Webster ]

2. Of or pertaining to the rubric or rubrics. “Rubrical eccentricities.” C. Kingsley. [ 1913 Webster ]