PLATE 7

A, B. C, D. Successive stages in floral development, A, x430; B, x24; C, x16; D, x3: (s) stamens, (is) inner staminodia, (M) mantle, (fa) floral apex, (sp) stylar process, (st) sepal trace, (gvs) gynoecial vascular strand, (rm) ring meristem, (vp) vascular plexus, (Im) intercalary meristem, (1) locule, (sc) stigmatic cup.