Show WIlY TREES GROW UP Why trees or other plants grow erect has never yet been definitely determined It has been supposed to have some relation to the action of light Certainly a plant usually growing erect turns toward any opening for light In a dark cellar but when there is no light they grow erect Dr Maxwell S Masters has recently called attention at-tention to some cases in an English coal mine 1000 feet deep Some props made from green posts pushed out into growth and though In absolute darkness they were perfectly erect and perfectly blanched I |