  LUCIAE is a Monte Carlo program that, connected to FRITIOF, implements both
the Firecracker Model (FCM), a possible mechanism for collective multi-gluon
emission from the colour fields of interacting strings, and the reinteraction
of the final state hadrons in relativistic heavy ion collisions. This paper
includes a brief presentation of the dynamics of LUCIAE with an emphasis on the
new features in this version, as well as a description of the program.
