CYCADALES 



123 



in the Bennettitales the meristem, after producing the staminatc 

 sporophylls, produces an ovulate strobikis which terminates that 

 axis; while in Cycas the meristem, after producing ovulate sporophylls, 

 produces vegetative leaves. 



In Cycas revoluta the megasporophylls are more nearly like the 



Fig. 113. — Cycas revoluta: loose ovoilate strobilus, Kochi, Fosa, Japan, -August 4, 

 1909. — From photograph by Miyake. 



vegetative leaves than in any other cycad (fig. 114). C. circinalis 

 and C. Normanbyana show more reduction, but the pinnate charac- 

 ter of the vegetative leaf is still conspicuous. In Dloon edide the 

 pinnate character is not conspicuous, but the blade is still leaflike, 

 and the strobilus has to some extent the loose arrangement of sporo- 



