Page:An introduction to physiological and systematical botany (1st edition).djvu/409

 Rh Specific names should be formed on similar principles to the generic ones; but some exceptions are allowed, not only without inconvenience, but with great advantage. Such as express the essential specific character are unexceptionable, as Banksia serrata, integrifolia, dentata, &c.; but perhaps those which express something equally certain, but not comprehended in that character, are still more useful, as conveying additional information, like Ixora alba and coccinea, Scleranthus annum and perennis, Aletris fragrans, Saxifraga cernua, &c.; for which reason it is often useful that vernacular names should not be mere translations of the Latin ones. Comparative appellations are very good, as Banksia ericifolia, Andromeda salicifolia, Saxifraga bryoides, Milium cimicinum, Elymus Hystrix, Pedicularis Sceptrum. Names which express the local situations of different species are excellent, such as Melampyrum