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2787. Phelps, .Ijym.an. Direct influence of the pollen on the orange. Op. cit., Ser. 3, 



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2792. Pierce, G. J. Studies on the Coast Red-wood, Sequoia sempervirens Endl. 



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2802. Pirotta, R., and Longo, H. Osservazioni e ricerche sul Cynomorium coccineum. 



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