By Claus C.
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Example text
Explorers have recently been in the field in tropics to discover original forms of tuber-bearing solan urns. As indication of departures in the understanding 86 Robert Morison's potato. 1699. In the superscr iptron is the reference to C. B. P. (Caspar Bauhin's Pinax) and to the Papas Peruanorum of Hortus Evstertensis. iveness about them until recent time: examples are rice, wheat, oats, rye, maize, banana, cabbage, lettuce, alfalfa, date, coconut, wine grape, pea, onion, pear. Recently, however, under the closer study of variation, distribution, and heredity doubt is beginning to be expressed as to whether some of the staple crops are really one species, whether the accustomed name may represent only one original kind.
It wilI profit us to pause yet another moment to emphasize again the fact that the Latin binomial classifies the plant as well as names it. The binomial carries relationships and leads to understanding. Common names not only avoid relationships but many of them suggest false kinshi ps: asparagus fern is not a fern, and the name should be transposed to read fern asparagus; pineapple is neither a pine nor an apple; calIa lily is not a lily nor does it even belong to the lily family; pepper-grass is not a grass; horse-chestnut has nothing to do with a chestnut; grapefruit has no relation to grapes; alligator pear, an absurd name still in use, is no kin with a pear; castaneas of commerce (Brazil-nuts) have no connection with the genus Castanea (chestnut).
Some cases are intricate and complex, and there may be difference of opinion on the application of even the most precise rules, in harmonizing the historical complications of centuries and in making contact wi th very variable elements in nature. The application of any workable rules of nomenclature is technical and can be fully understood only by years of experience. This means that the 81 r HOW PLANTS GET THEIR NAMES application must be left to competent persons. The regulations provide an interesting system, with which it is a pleasure to work.