26 



EXPLANATION OF TAB. 18 & 19 



\ 



Tab. 18, a, A. Male Catkin. 



B^ B. Antherse. 

 c, C. Female Catkin. 

 D,D. Scales. 



Unripe Cone. 



Ripe Cone. 



Scale. 



Seed. 



e. 

 f. 



H. 



I, I. Points of Leaves. 



Tab. 19. fig. 1—4. Cones of the small-fruited variety of P. rigida from Pain's Hill. 

 5. Cone of P. T^da alopecuroidea, HorL Kew, from a specimen preserved in spirits in the Banksian 

 collection. 



