FIG. 73. Piper Cubeba. A, fruiting branch, natural size. C, portion of the 

 same magnified, showing the stalk-like elongation of the pericarp. B, branch 

 of staminate plant, natural size. D, bract and stamens, magnified. E, fruit 

 cut to show the endosperm and perisperm, magnified. F, portion of same, 

 more highly magnified, showing the embryo, e, endosperm, a, and perisperm, p. 

 G, Piper nigrum ; portion of flowering spike, magnified. (Luerssen.) 



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