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EXPLANATION OF PLATE 159. 
a. Flowering twig. 
o n 
b. Flower bud. 
c Expanded flower, showing— 
(«) Four-lobed corolla with stamens. 
( b) Pistil. 
d. Portion of corolla-lobe with stamen (sessile anther) in the concave laminae. 
E. Pedicel with pistil (corolla removed). 
(а) Pedicel. 
(б) Disc. 
(c) Stipitate ovary. 
(d) Lateral stigma. 
f. Stigma. 
g. Follicles. 
h. Seed, winged all round. 
The plate was drawn from specimens obtained from the Tweed River, with 
name of collector not available. 
