EXPLANATION OF PLATE X. 



.Fiyiin-8 natural nizc, extrcpt wlit-rr (Hlierui^t- iiotid.] 



Ei;;. a, branch with yoiiu.; shoot of tho season Iiuaring a cliistor of jualo llowurs; h, lualo llower detacheil 

 showing basal involucral bracts, niagiiilicd thrc'o dianioters; c, branch bearinii three siibterminal female llowers; 

 (l,d, characteristically refloxed iiuinaturo cones of one season's growth. 



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