epigæa

from The Century Dictionary.

• noun A genus of ericaceous plants, of two species, one a native of Asia, the other, E. repens, the well-known Mayflower or trailing arbutus of the United States.
• noun In entomology, a genus of lepidopterous insects.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Bot.) An American genus of plants, containing but a single species (E. repens), the trailing arbutus.