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EXPLANATION OF PLATE 73. 
a. Flowering branch. 
b. Flower. 
C. Expanded flower showing— 
(a) Petals. 
(b) Stamens. 
(c) Staminodia. 
(d) Disc. 
(e) Ovary. 
(/) Stigma. 
d. Part of flower—- 
(«) Stamens. 
(b) Staminodia. 
(c) Disc. 
(d) Ovary. 
(e) Stigma. 
E. Stamens. 
f. Transverse section of ovary, 
o. Calyx. 
EXPLANATION OF PLATE 74. 
A. Part of stem, showing articulation of petiole. 
B. Leaf. 
c. Capsule opening septicidally. 
D. Capsule more advanced. 
e. Deciduous placenta. 
f. Winged seeds. 
