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INTRODUCTION The fossil plants forming the subject of this paper were collected byMessrs.C.S.Pien~1 and H.H.Lee of the geological Survey of China in 1943.The collection is fairly large,but unfortunately the specimens are generally
INTRODUCTION The fossil plants forming the subject of this paper were collected by Messrs. C. S. Pien ~ 1 and H. H. Lee of the geological Survey of China in 1943. The collection is fairly large, but unfortunately the specimens are generally