Show TREE PUZZLE TO FORESTERS I 1 peculiar formation of spruce has ha caused speculation among men learned in that lore loit across A cross section of a great old spruce tree from alaska tells ali alio story of a tree which executed a spin like a bill let dancer this cross section shows I 1 a most peculiar spiral structure which has caused a great deal jofs of speculation afloat among the various foresters throughout the country and a very interesting explanation Is advanced in american forestry it Is known that a tree growing at a slant blant forms on the lower side of the th trunk frunk a dense denap reddish wood known at as rotholz this spiral in aws case Is 1 of such sort and ns ii it is ibn iti continuous form formation pilon winding from the center to ithan half an inch fron thea circumference it Is surmised that it wils wa growing in nn an inclined position on the edge of a glacier where by some 61 shifting I 1 efting it was cohsed to rotate so 90 that nil all sides of the trie tree were belvely on the downward karte thus BS ag the th tree grew anti and its n con tinned slowly the bott developed into aspiras 1 f |