Bark (botany) rope, used for example in the rigging of Viking age longships. Among the commercial products made from bark are cork, cinnamon, quinine (from the bark of Cinchona) and aspirin (from the bark of willow trees). The bark of some trees notably oak ("Quercus robur") is a source of tannic acid, which is used in tanning. Bark chips generated as a by-product of lumber production are often used in bark mulch in western North America. Bark is important to the horticultural industry since in shredded form it is used for plants that do not thrive in ordinary soil, such as epiphytes.
Parable of the Olive Tree original tree that was transplanted into good soil grew to give a mix of good and poor fruit. The master of the vineyard instructed his servant to cut off the branches of this tree that gave poor fruit, and burn them. However, the servant suggested to that master that with further care this tree too might bring forth good fruit. And so the master and his servant worked diligently at nourishing all the trees. After a long time the master and servant returned to the vineyard, and found that all trees, both the original and the transplants, had failed, and