1. Quercus velutina   oak   hibiscus   walnut   ash   Hint Half-n-half Clue   2. Fraxinus americana   sycamore   ash   cedar   maple   Half-n-half Clue   3. Betula nigra   spruce   birch   pine   ash   Half-n-half Clue   4. Hibiscus lasiocarpus   walnut   oak   hibiscus   maple   Half-n-half Clue   5. Platanus occidentalis   ash   cedar   sycamore   hibiscus   Half-n-half Clue   6. Juniperus virginiana   walnut   sycamore   cedar   pine   Half-n-half Clue   7. Pinus aristata   pine   ash   birch   hickory   Half-n-half Clue