EXPLANATION OK PLATE XI 



Viii- o, section of a brunch bearing a maturi! closed cone (()ctol)ei) ; b, mature open cone after shciUIinj^ seed ; 

 f, c, c, tips of couc scales sliowing variation in form of apo])bjsi8 and stont prickle; rf, cone scale, outer or dorsal side; 

 e, inner or ventral side of cone scale with seed in |ilace; /, seed with wiuj; detaclcd; ;/, seed and winf; intact. 

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