FIG. 430. Microsporangia (synangia) of Cycadeoidea. After WIELAND. 



FIG. 431. Diagram of strobilus of Bennet- 

 tztes, in which the seeds are mature; showing 

 the sheathing bracts, the long-stalked seeds, 

 and the broad-tipped interseminal scales. 

 Aftei SOLMS and POTONIE. 



FIG. 432. Section of 

 a seed of Bennettites, 

 showing the large dicoty- 

 ledonous embryo. After 

 SOLMS. 



