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