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