American Species of Marchantia. 



Z^Z 



f. ^A shows a plant with numerous cupules and female recep- 

 tacles, while /. jC shows a small forking fragment with cupules 



Marchantia chenopoda L. 



Appendages of ventral scales, x lOO. A-C. Peru, Cook & Gilbert 755. 

 D-F. Bolivia, A. d'Orbigny, type of M. peruviana. G, H. Bolivia, H. H. 

 Rushy 3004. I, J. Bolivia, P. Jay 71. 



only. The receptacles are so strongly convex that they appear 

 conical and resemble those of Conocephahtm conicum (L.) 

 Dumort. In fact, according to Lehmann and Lindenberg, the 



