BOTHRODENDRON 203 



they swell up in water, can be stained with aniline 

 dyes, and on chemical analysis prove to have much 

 the same composition as the cuticle of recent plants. 

 That a vegetable tissue should thus have come down 

 to us, fresh and unaltered, from a period more ancient 

 than that of the Coal-measures, is certainly one of the 

 most remarkable among the curiosities of palaeontology. 1 



1 See Renault, Les cuticules de Tovarkovo, Autun, 1895. 



