But. 223, U. S. Dept. of Agriculture. 



Plate V. 



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Four Sections of a Menakher Date Leaf. (Nearly Natural Size,) 



Fig. 1.— a leaf section near the base, shoiving a paired group, a, r, of verj^ acute spines. 

 Fig. 2.— a .section at 8 feet, showing a quadruple group^ a, i, i, r, below and a triple group, 

 a, i, r, above. Figs. 3 and 4.— Sections at 10 and 12 feet, -showing some well-defined retrorse 

 pinnae, r, r. The others will class as introrse, and no regular groups can be determined. 



