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Explanation of Plate V. 
i. Margin of bract, X 25. 2. Portion of margin, X 80. 3. Margin towards 
base of bract, X 160. 4, 5, 6, do., in transverse section, X160. [N. B. 
Fig. 1 shows the bract viewed from the back; Figs. '2-6 show marginal 
view, with ventral surface of bract to right, dorsal surface to left.] 
