1. cèdre   cedar   beech   poplar   oak   Hint Half-n-half Clue   2. arbre de châtaigne   cedar   chestnut   beech   oak   Half-n-half Clue   3. orme   cedar   oak   elm   chestnut   Half-n-half Clue   4. bouleau   fir   birch   elm   maple   Half-n-half Clue   5. peuplier   fir   poplar   maple   cedar   Half-n-half Clue   6. sapin   cedar   maple   fir   elm   Half-n-half Clue   7. hêtre   oak   beech   elm   birch   Half-n-half Clue