194 



WILLIAMSONIA. 



external to the axis of the stem (Text-fig. 30, B) represent the 

 sections of petioles, some of which are seen in Pig. 30, A, attached 

 to the stem. 



B 



FIG. 30. Cycadean stem from India. From a specimen in the 

 British Museum. (Nat. size.) 



A. Side-view of the stem clothed with leaf-bases. 



B. Transverse section, showing the axis of the stem and numerous leaves. 



