DURATION OF PLANTS.

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The several kinds of plants vary exceedingly in their degrees of longevity, some being annual, perfecting their growth within a year, ripening their seeds and perishing; others are perennial, and continue to grow and flourish for years and centuries. Warm and cold climates have much influence on the duration of plants, and, in some few instances, plants that are annual in cold climates become perennial when transplanted into warm regions, and the contrary when transplanted from warm to cold ones. There are some kinds of trees that are very short-lived, as the peach and the plum; others reach a great age, as the pear and the apple. Some kinds of forest-trees are remarkable for their duration, and specimens are in existence seemingly coeval with the date of the present order of things on our globe. The oak, chestnut, and pine of our forests, reach the age of from 300 to 500 years. The cypress or white cedar of our swamps has furnished individuals 800 or 900 years old. Trees are now living in England and Constantinople more than 1000 years old, of the yew, plane, and cypress varieties; and Addison found trees of the boabab growing near the Senegal, in Africa, which, reckoning from the ascertained age of others of the same species, must have been nearly 4000 years of age. It may be remarked, that plants of the same variety attain about the same age in all climates where they are produced.—American Courier.


                                                                                                                                                                                                                                                                                                           

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