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