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Its restriction to the comparatively narrow limits of the tropics is no doubt mainly due to the great alteration of climate which occurred at the close of the Tertiary period, but it may have been aided by the continuous development of varied forms of mammalian life better fitted for the contrasted seasons and deciduous vegetation of the north temperate regions.
A glorious scene lay outspread before them; the distant ranges half veiled in purple haze, the valleys flooded with golden light, brightened by the autumnal tints of the deciduous timber which marked the courses of numerous small streams, and over the whole a restful silence, as though, the year's work ended, earth was keeping some grand, solemn holiday. Mr.
Whether it would be constant, if fertile, is therefore impossible to decide. The latter has pinnate leaves, the former undivided ones. The hybrid has undivided leaves which are more spiny than those of the European parent, and which are not deciduous like them, but persist during the winter, a peculiarity inherited from the Mahonia.
At any rate, it was a most delightful musical entertainment of which I fancy myself the discoverer, and I hope it was the dryad. He who reads may believe as he will. Beyond the pines I found the wind in the woods. Among the bare limbs of the deciduous growth the storm wailed and clattered its way on about my head as I felt out the path with my feet for a half mile to a pine-crowned hilltop.
After all, is it not more important to have soil conditions and culture of such character that a great root can grow in the orchard than to have a whole nursery concentrated in the root of the yearling tree? As for the claim that a root graft on a piece-root never makes a vigorous tree, we know that is nonsense. Planting Deciduous Fruit Trees.
The middle of the picture was composed of many hills rising one above the other in finely modeled forms with evergreen and deciduous trees fitting so closely together they appeared as a great, rich tapestry. While in Massachusetts it is well worth while to go to the old historical town of Springfield.
In the Southland is a certain appearance of mobility, lent by the deciduous trees, the warm sun, the intimate nooks in which grow the commoner homely weeds and flowers, the abundance of bees and musical insects, the childhood familiarity of the well-known birds, even the pleasantly fickle aspects of the skies. But the North wraps itself in a mantle of awe.
At this period the embryo is partially organized, having faint traces of segments, and is still enveloped in its embryonal membranes and retains its connection with the shell. In an analogous manner the deciduous, pluteus-condition of the young Echinoderm perishes and is absorbed by the growing body of the permanent adult stage.
It can be shown that plants most widely different in habit and general appearance, and having strongly marked differences in every part of the flower, even in the pollen, in the fruit, and in the cotyledons, can be crossed. Annual and perennial plants, deciduous and evergreen trees, plants inhabiting different stations and fitted for extremely different climates, can often be crossed with ease.
Even deciduous trees provide it and the level boughs of evergreens give layer after layer of air that fends from the cold. Even without the snow, the frost penetrates but a little way in the earth of the woods.
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