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MEMOIRS OF THE NEW YORK BOTANICAL GARDEN 



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Fig. 12. a, Macrocentrum gracile, habit, X 0.5. b-f, Bertolonia venezuelensis. b, 

 X 0.5; e, flower, X 4; d, stamen, X 2 ; e, pistil, X 2 ; f , ovary top view, X 2. 



