CONTRIBUTIONS TO THE BOTANICAL MAGAZINE. 679' 



to the true explanation of the structure of Lysipoma. This 

 genus, belonging to Loheliacem, is described by M. Kunth 

 as having a single parietal placenta ; it may, however, be 

 regarded as having a septum so closely pressed to the upper 

 side of the capsule as to have no manifest cavitj;, and con- 

 sequently produces ovula on the one side only." Brown 

 M88. 



Bot. Mag. 2598 (1825). 



BacMa camphoraia, Brown MSS. 



Bot. Mag. 2694 (1826). 



