1. Castanea dentata   fig   beech   holly   chestnut   Hint Half-n-half Clue   2. Ulmus americana   fir   fig   holly   elm   Half-n-half Clue   3. Fagus grandifolia   lotus   fig   fir   beech   Half-n-half Clue   4. Allium sepa   lotus   fig   onion   elm   Half-n-half Clue   5. Abies magnifica   onion   fig   fir   rose   Half-n-half Clue   6. Ficus carica   beech   fig   chestnut   holly   Half-n-half Clue   7. Allium sativum   fig   garlic   beech   elm   Half-n-half Clue