Branching Colony Forms

Branching colony forms; a) dichotomous (Iciligorgia schrammi); b) monopodial (Telesto sp.); c) whip-like (Leptogorgia virgulata); d) digitate (Titanideum frauenfeldii); e, open, regularly pinnate, in one plane (Muricea pendula); f) open, irregularly pinnate, in one plane (Leptogorgia hebes); g) arborescent (Pseudodrifa nigra)