Osmanthus Delavayi - A charming species from Yunnan, China, which will be welcome should it prove generally hardy.
Osmanthus Ilicifolius - This is by far the most common and useful kind, and is, moreover, a valuable shrub for town planting.
Osmanthus Myrtifolius - There is this Osmanthus at Kew, the lower part of which is ilicifolius, the upper part myrtifolius.