EXPLANATION OF PLATE XL 



Fig. 0, section of a branch bearing a mature closed cone (October) ; 6, mature open cone after shedding seed; 

 c, c, c, tips of cone scales showing variation in form of apophysis and stout prickle; d. cone scale, outer or dorsal side; 

 e, inner or ventral side of cone scale with seed in place ; /, seed with wing detached ; '/, seed and wing intact. 



