1. chestnut   Castanea dentata   Fagus grandifolia   Rosa indica   Allium sepa   Hint Half-n-half Clue   2. rose   Allium sativum   Ulmus americana   Abies magnifica   Rosa indica   Half-n-half Clue   3. garlic   Allium sepa   Fagus grandifolia   Abies magnifica   Allium sativum   Half-n-half Clue   4. beech   Allium sepa   Fagus grandifolia   Nelumbo lutea   Castanea dentata   Half-n-half Clue   5. holly   Allium sepa   Castanea dentata   Ilex opaca   Abies magnifica   Half-n-half Clue   6. onion   Allium sepa   Ulmus americana   Castanea dentata   Abies magnifica   Half-n-half Clue   7. elm   Fagus grandifolia   Rosa indica   Ulmus americana   Allium sepa   Half-n-half Clue