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BULLETIN 223j U. S. DEPARTMENT OF AGRICULTURE. 



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Fig. 11.— Cross sections of the rachis of a Beglet Noor date leaf, showing outlines at diilerent distances from 



base to apex. 



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the introrse piimsB there are but 15 to 25 per cent. Unclassified 

 basal spines make lip the balance. 



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