BIvAKE: REVISION OF THE AVOCADOS 



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Fig. 1 . — A, Peisea americana Mill. B, P. schiedeana Nees (drawn from Purpus 7074) . 

 C, P. le-iogyna Blake (drawn from Popenoe 219). a, perianth, X 5; i, stamen ol 

 series I, X 10; c, stamen of series III, viewed from dorsal side, X 10; d, staminode, 

 X 10; e, ovary, X 10 



