1960] 



MORPHOLOGY AND RELATIONSHIPS OF DIOMMA 



39 



Fig. 1. A, Diomma species A, pistil from female flower to illustrate position of secretory 

 cavities s and the apotropous orientation of the ovules as seen in cleared preparations. B, 

 D. nlel, pistil from female flower to show position of secretory cavities s and nectaries n. 

 C, Diomma species A, pistil from female flower to illustrate shape (cf. A), position of secre- 

 tory cavities s and presence of nectaries n. D, Spathelia subintegra, pistil from female flower 

 to demonstrate the tricarpellate nature of the ovary, presence of secretory cavities s, and 

 nectaries n. E, Diomma species A, pistil from male flower showing a reduced ovary supported 

 by a gynophore g. F, Sohnreyia excelsa, young fruit showing secretory cavities s and con- 

 spicuous gynophore. Notice also the beginnings of wings and the peculiar apical protuberance. 

 All drawings diagrammatic. 



