EXPLANATION OF PLATE XVI. 



Fig. a, brunch with inaturo closed cones (October of seconil season); h, iw.itAirv cone; c, cmie scale, outer or 

 dorsal view sliowini; ai.oiilijsis; <l, ventral view of tile same with seed in place; e, seed detached fromwiu-f; /, seed 

 with win^- intact; y, leaf forms, two and three Icafcnl bundles. 

 9G 



