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