. Lessons with plants. Suggestions for seeing and interpreting some of the common forms of vegetation. Fig. 18. A dead branch and the mass ofhealing tissues at its Fio. knot-hole. shows a dead limb on an oak tree. The limbbecame weak because the shade was too dense,and because the branches above it took more thantheir share of food. Finally, borers and fungiattacked it, and it died. It rotted slowly away,year by year its twigs fell, and finally a heavy 22 J^ESSOIfS WITH PLANTS fall of snow broke it off as we now see it. Assoon as it died, it became a menace to the tree,for the rot
. Lessons with plants. Suggestions for seeing and interpreting some of the common forms of vegetation. Fig. 18. A dead branch and the mass ofhealing tissues at its Fio. knot-hole. shows a dead limb on an oak tree. The limbbecame weak because the shade was too dense,and because the branches above it took more thantheir share of food. Finally, borers and fungiattacked it, and it died. It rotted slowly away,year by year its twigs fell, and finally a heavy 22 J^ESSOIfS WITH PLANTS fall of snow broke it off as we now see it. Assoon as it died, it became a menace to the tree,for the rot in its tissues might extend into thetrunk. The tree made an efEort to cover it tissue piled higher and higher about, its base,
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Keywords: ., bookauthorbai, bookcentury1900, bookdecade1900, booksubjectbotany
