EXPLANATION OK PLATK X. 



^Figures natural size, except when? otherwise noted.] 



Fig. a, branch with youn;4; shoot of the season bearing a cluster of male flowers; b, male llower detachi'd 

 showing basal involucral bracts, magnified three diameters; c, branch bearing three snbterminal female flowers; 

 d, (I, characteristically reflexed immature cones of one season's growth. 



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