EXPLANATION OF PLATK XX. 



Fig. «, branch lieaiiiif; two siilitorminal amenta of female flowers at end of slmot of the season; h, iiiimatiire 

 cone of one season's growth; c, matin e closed cone of two seasons' growth; d, mature ojjen cone alter sliedding 

 seed; e, cone scale, outer or dorsal side, showing the broad umbouato apophysis end with its sharp transverse 

 ridges and the stout rettexed prickle; /, inner or ventral view of the Siinie with the seed in place; g, seed and wing 

 detached. 



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