Show trees jrees get their food after tests by the new york cot col leffe ego of agriculture tt it appears chilt trees are no not fed with the nes lessary sary and sugars iby by the witter winer which to is folind in the ipa part r I 1 of the trunk instead there nrc are tubes extend ing through 06 bark through which alie the food fond la Is 6 carried from the tha ground and from the leaves by toll mil borin of micro microscope scovie these anre b a 11 substance which circulates up and down the tree in an endless stream moving downward they carry sugars man manufactured u factored by the leaves and nn nil the return trip tiley bring up front the barth the nourishment absorbed by the roots |