Page:An introduction to physiological and systematical botany (1st edition).djvu/410

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REMARKS ON

arvense, pratense, nemorosum and sylvaticum, Carex arenaria, uliginosa and sylvatica, as well as aquatica, maritima, rupestris, alpina, nivalis, used for many plants. But names derived from particular countries or districts are liable to much exception, few plants being sufficiently local to justify their use. Thus Ligusticum cornubiense is found, not only in Cornwall, but in Portugal, Italy and Greece; Schwenkia americana grows in Guinea as well as in South America. Such therefore, though suffered to remain on the authority of Linnæus, will seldom or never be imitated by any judicious writer, unless Trollius europæus and asiaticus may justify our naming the third species of that genus, lately brought from America, americanus. The use of a plant is often commodiously expressed in its specific name, as Brassica oleracea, Papaver somniferum, Inocarpus edulis; so is likewise its time of flowering, as Primula veris, Leucojum vernum, æstivum and autumnale, and Helleborus hyemalis.

When a plant has been erroneously made into a new genus, the name so applied to it may be retained for a specific appellation, as