Twisted Trees

  title={Twisted Trees},
  author={H. G. CHAMPION},
To one who has long been working on the problems presented by twisting (spiral grain) in trees, the suggestion made by Dr. Copisarow1 that the phenomenon may be traced back to the mineral constituents of the cells, comes as a further possibility calling for examination in light of the facts so far as they have been recorded. Knorr's article in the Journal… CONTINUE READING