PLATE 



/. 



Fig. 1. 405. 10. BnTnoTKErHis talmata. (Pag. 20.) 



1 a. A sp^ciiiion wliciu tlie branches separate at dillercnt distances from the base. 



1 6. Anotlier specimen, apparently of tlie same species, showing successive branches from a sinslc stem. 



Fig. 2. Roots of Biithotrcphis? (Pag. 21.) 



