570 



CLIV. 



Comfrcy. (Si/n>i>hytuni offtcinatt.) 



Comfrcy. Flower (mag.)' Cerinlhe. Diagram. 



Cerinthe. 

 Flower. 



Comfrey. 

 Flower cut vertically (mag.). 



Comfrey. 

 Diagram. 



Ehretta. 

 Andrcecium and corolla laid open (mag.). 



Comfrey. 

 Kstil and calyx cut vertically (mag.). 



Ehretia. 

 Transverse section of ovary (mag.). 



