Botany - Leaves

2. Rubbing the fruit in water will produce soap
4. Chinese use branches at New Year's
7. Foliage is reported to be poisonous to livestock
10. Also known as gum bumelia
11. The U.S. produces 80% of the world's crop of fruit produced by this tree
12. Used by some Native Americans to make archery bows
14. In ancient times by both the Greeks and Romans the fruit of this tree was associated with fertility
15. Evergreen; planted for shelterbelts; fruit is berry-like

1. Has distinctive "knees"
3. American poet Robert Frost wrote a poem about this tree
5. Fallen leaves can be toxic to horses
6. Named for Henry Muhlenberg a minister and botanist
8. As a young sapling often confused with poison ivy
9. Wood made into charcoal and used to make gunpowder during American Revolution
13. Fruit is paired keys aka "helicopters"