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In process of time he acquired great knowledge and became eminent among the English Botanists; and is now known in Europe among the proficients in that science as one of its most successful cultivators, and the author of some distinguished Works.
When the long twilight was almost gone, and the moon an hour high over the purple dusk of the West Virginia hills, the botanists returned, aglow with their exercise, and rich with trophies of blue and dwarf larkspur, pink and white stone-crop, trailing arbutus, and great laurel.
We think the light pipe-smoker will find a combination of German and Turkish smoking-tobaccoes a happy thought. The old smoker may secure the best union of delicacy and strength in the Virginia "natural leaf." Among the eight or ten species of the tobacco-plant now recognized by botanists, the Nicotiana tabacum and the Nicotiana rustica hold the chief place.
Botanists pointed out that Cynodon dactylon, despite its ability to sheathe itself against a chill, had never flourished in cold areas and there was no reason to suppose the inoculated grass, even with its abnormal metabolism, could withstand climates foreign to its habit. It was true it had touched, in one place, the arctic tundra, but it was confidently expected this excursion would soon cease.
I suspect them of having brought, not merely the common hedge elm of the south, not merely the three species of nettle, but all our red poppies, and a great number of the weeds which are common in our cornfields; and when we add to them the plants which may have been brought by returning crusaders and pilgrims; by monks from every part of Europe, by Flemings or other dealers in foreign wool we have to cut a huge cantle out of our indigenous flora: only, having no records, we hardly know where and what to cut out; and can only, we elder ones, recommend the subject to the notice of the younger botanists, that they may work it out after our work is done.
However bare and simple this definition of species may appear to be, we confidently appeal to all practical naturalists, whether zoologists, botanists, or palaeontologists, to say if, in the vast majority of cases, they know, or mean to affirm anything more of the group of animals or plants they so denominate than what has just been stated.
Of this plant the number of marked varieties figured and named is very great, and no less than three of them had been considered as distinct species by other botanists, while six of the others might have laid claim, with nearly equal propriety, to a like distinction. Size 1/2 diameter. a. Leaf. b. Flower magnified, one of the six petals wanting at d. Upper Miocene, Oeningen. c.
The botanists are all at war about it; some of them wanting to make out that there are many species of it, and others maintaining that they are but many varieties of one species; and they cannot settle to this day which is a species and which is a variety!
It is thought that in the word are included all those plants such as mosses and mushrooms, whose flowers are invisible, and which multiply not by producing seed, but by budding, or by means of little living particles, looking like brown dust, which botanists call "spores."
Barley has been known to volunteer five crops in succession." The wild orange of Florida, though once considered indigenous, is now generally thought by botanists to be descended from the European orange introduced by the early colonists. On the wild apple trees of Massachusetts see an interesting chapter in Thoreau, Excursions.
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