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The subject matter of this paper was collected while the author was on a study tour in U.S.A. during 1949–50. A brief outline of the work was presented before the Morphology and Anatomy Section of the VII International Botanical Congress at Stockholm in July 1950.
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Puri, V. Placentation in angiosperms. Bot. Rev 18, 603–651 (1952). https://doi.org/10.1007/BF02973889
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DOI: https://doi.org/10.1007/BF02973889