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Plant Tissue Culture 



Fig. II. Roger J. Gautheret, L910- . Charge de eours, 

 Faculty ilrs Sciences, Paris, Prance. First to cultivate, bide 

 pendently from White, undifferentiated planl tissues in vitro for 

 unlimited periods, student of the nutrition and behavior of ex- 

 cised planl tissues, especially cambium. 



