EXPLANATION OF THE ILLUSTRATION 
Dickasonta vernicosa L, O, Williams. 1, plant, 
natural size. 2, flower, opened out, magnified one 
and one half times. 3, lip and column, from the 
side, magnified three times. 4, lip and column, 
from above, magnified three times. 
Drawn by G. W. Ditton 
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