sm for vernacular names is like that for Indian names of localities, one-sided: we enumerate only the graceful ones, and ignore the rest.
It would be a pity to Latinize Touch-me-not, or Yarrow, or Gold Thread, or Self-Heal, or Columbine, or Blue-Eyed-Grass,—though, to be sure, this last has an annoying way of shutting up its azure orbs the moment you gather it, and you reach home with a bare, stiff blade, which deserves no better name than Sisyrinchium anceps. But in what respect is Cucumber-Root preferable to Medeola, or Solomon's-Seal to Convallaria, or Rock-Tripe to Umbilicaria, or Lousewort to Pedicularis?
In other cases the merit is divided: Anemone may dispute the prize of melody with Windflower, Campanula with Harebell, Neottia with Ladies'-Tresses, Uvularia with Bellwort and Strawbell, Potentilla with Cinquefoil, and Sanguinaria with Bloodroot.
Hepatica may be bad, but Liverleaf is worse.
The pretty name of May-flower is not so popular, after all, as that of Trailing-Arbutu