The Collaborative International Dictionary of English v.0.48:

Reticulose \Re*tic"u*lose`\, a.
   Forming a network; characterized by a reticulated sructure.
   [1913 Webster]

   Reticulose rhizopod (Zool.), a rhizopod in which the
      pseudopodia blend together and form irregular meshes.
      [1913 Webster]