229 



Fig. 12. 



wliea first 

 the back ; 



S, burmanica, N.EJtr. Plant ^ nat. size; A, section uf leaf 

 received at Kew, sliowing groove formed by shrivelling on 

 B, section of leaf on the sanie plant grown at Kew. 



S, zeylanica, WillJ, C, section of leaf grown at Kew. 



S. Roxburghiana, ScliuUes, D and E, sections of two different leaves on 

 the same plant, i^rown at Kew. Figs. A-E, nat. size. 



