[[created as copy of 'tree_overlap']
Kept 2 species (one from upper and one from lower subtree)
Thu Aug 29 10:14:50 2013: tree_overlap_mini saved to /home/ralf/ARB-bilbo/ARB.tree.disjunct/UNIT_TESTER/run/consense/4/disjunct_4.tree
]
(
  DewBacte:0.32928,
  DewArch4:0.40553
);