1. Pinus aristata   sycamore   spruce   ash   pine   Hint Half-n-half Clue   2. Fraxinus americana   cedar   ash   oak   sycamore   Half-n-half Clue   3. Picea pungens   maple   spruce   hickory   sycamore   Half-n-half Clue   4. Betula nigra   cedar   hickory   birch   maple   Half-n-half Clue   5. Acer rubrum   pine   birch   maple   ash   Half-n-half Clue   6. Juniperus virginiana   hickory   hibiscus   cedar   maple   Half-n-half Clue   7. Juglans nigra   spruce   oak   cedar   walnut   Half-n-half Clue