Answers to Key Exercises:

1. Trillium catesbaei (Catesby's Trillium)

2. Tradescantia rosea (Rosy Spiderwort)

3. Orobanche uniflora (One-flowered Cancer-root)

4. Rhododendron maximum (Pink Rhododendron, Rosebay)

5. Monarda didyma (Beebalm)

6. Cypripedium acaule (Pink Lady-Slipper)

7. Magnolia fraseri (Umbrella-Leaf, Fraser's Magnolia)

8. Silene virginica (Fire Pink)