Source : Webster's Revised Unabridged Dictionary (1913)

Lycopodiaceous \Ly`co*po`di*a"ceous\, a. (Bot.)
   Belonging, or relating, to the {Lycopodiace[ae]}, an order of
   cryptogamous plants (called also {club mosses}) with
   branching stems, and small, crowded, one-nerved, and usually
   pointed leaves.