BENNETTITEAE 561 



armour of persistent leaf-bases (see Fig. 200, B). The 

 dimensions were also of the same order. The stem of 



Fig. 200. — Benneltiies Gibsoiu&nus. A. Stem in tranverse section, showing the ring of 

 wood, x, surrounding the large pith, the leaf-bases, /./'., completely covering the 

 surface, and a fructification, f t seen in longitudinal section, between the leaf-bases. 

 B. Stem in tangential section, through the armour of leaf-bases, the vascular bundles 

 in which are shown. Several fructifications, _/J are seen, in transverse section. Both 

 reduced. From the Linnean Soc. Trans. After Carruthers 



B. GibsontanuSy shown in Fig. 200 } from Mr. Carruthers* 

 paper, attained a maximum diameter of i i inches ; a 



