The Collaborative International Dictionary of English v.0.48:

Ochlocratic \Och`lo*crat`ic\, Ochlocratical \Och`lo*crat`ic*al\,
   a.
   Of or pertaining to ochlocracy; having the form or character
   of an ochlocracy; mobocratic.
   [1913 Webster] -- Och`lo*crat"ic*al*ly, adv.
   [1913 Webster]