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Some material that will soften the bed upon which eggs are to be laid must be placed in this cavity. The whole home is a very simple and crude affair. But little better is the arrangement which the woodpecker calls a home. This has been cut into the dry wood of a defective tree. No woodpecker can make his home in absolutely solid sapwood.
Acid fumes from smelters, frost, sunscald, dry or extremely wet weather, all limit the growth of trees. Leaf diseases lessen the food supplies of the trees. Bark diseases prevent the movement of the food supplies. Sapwood ailments cut off the water supply that rises from the roots. Seed and flower diseases prevent the trees from producing more of their kind.
"A blaze is made by a single downward stroke of the axe, the object being to expose a good-sized spot of the whitish sapwood, which, set in the dark framework of the bark, is a staring mark that is certain to attract attention." "Yes, but suppose the traveler tries to find the trail a year or so later?" questioned the practical Elfreda. "Hasn't it grown up so high that he can't see it?" "No.
Hooray for Chief Sapwood!" and Guy had no cause to complain of lack of appreciation on the part of the others. He swelled out his chest and looked proud and haughty. "Wished I knew where there was some more Woodchucks," he said. "I know how to get them, if the rest don't." "Well, that should count for a grand coup, Sappy." "You tole me you wuz goin' to call me 'Hawkeye' after this morning."
Heartwood does not occur in all varieties of trees. In some cases, where both heartwood and sapwood appear, it is difficult to distinguish between them as their colors are so nearly alike. Because it takes up so much moisture and plant food, sapwood rots much more quickly than heartwood. The sapwood really acts as a pipe line to carry water from the roots to the top of the tree.
Then the blows redoubled until the trunk began to tremble from the base to the summit, like a living thing. The steel had made the bark, the sapwood, and even the core of the tree, fly in shivers; but the oak had resumed its impassive attitude, and bore stoically the assaults of the workmen. Looking upward, as it reared its proud and stately head, one would have affirmed that it never could fall.
No household is to represent merely itself; one or two, or more, from one family are to bring always one or two, or more, from somewhere else. I am going to try if one little bit of social life cannot be exogenous; and if it can, what the branching-out will come to. I think we want sapwood as well as heartwood to keep us green. If anybody doesn't quite understand, refer to 'How Plants Grow Gray."
In some of our largest trees the moisture is raised as high as 300 feet or more through the sapwood. Strange though it may seem, trees fight with each other for a place in the sunlight. Sprightly trees that shoot skyward at a swift pace are the ones that develop into the monarchs of the forest. They excel their mates in growth because at all times they are exposed to plenty of light.
This Parisian malady is to the active and permanent impulse towards conspiracy in persons of energy what the sapwood is to the sap of the trees; it preserves it, feeds it, and conceals it. Weary of himself, Godefroid attempted one day to give a meaning to his life, after meeting a former comrade who had been the tortoise in the fable, while he in earlier days had been the hare.
"Say, Sapwood, you're so smart, couldn't you go round through the woods to your side and crawl through the clover so as get between the old Grizzly and his den?" suggested the Head Chief. "I bet I can, an' I'll bet a dollar " "Here, now," said Yan, "Injuns don't have dollars." "Well, I'll bet my scalp my black scalp, I mean against Sam's that I kill the old Grizzly first."
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