Rubrae
Found rubrae with different capitalization.
rubrae feminine genitive singular, feminine dative singular, feminine nominative plural of ruber
Rŭbræ, ārum, f. , c. Rubra saxa : Mart. 4, 64, 15.
RUBRAE
RUBRAE and AD RUBRAS, a town in Hispania Baetica, now Cabezas Rubias. (It. Ant. p. 431.)
[T.H.D]