MELASTOMACE^. 



603 



before Naudin's papers appeared), on the occasion of his showing the 

 identity of the two genera; and in this he has been followed by 

 Gardner, Lindley, &c. Irrespective of the rule of priority even, 

 Don's name is the more appropriate ; since, being nearly unmeaning, 

 it is unobjectionable ; while that of Lasiandra is descriptive of only a 

 portion of the species. 



1. Pleroma Fontanesianum, Gardner. 



Pleroma Fontanesianum, Gardner, in Hook. Lond. Jour. Bot. 1, p. 171. 

 Lasiandra Fontanesiana, DC. Prodr. 3, p. 130 ; Naudin, 1. c. p. 150. 

 Rliexia Fontanesii & R. Langsdorjiana, Bonpl. Rhex. t. 51 & 56. 



Hab. Rio Janeiro, and in the Organ Mountains, Brazil. 



2. Pleroma argenteum. 



Lasiandra argentea, DC. Prodr. 3, p. 131; Naudin, 1. c. p. 143. 



Hab. Near Rio Janeiro, and in the Organ Mountains, Brazil. 

 3. Pleroma adenostemon. 



Lasiandra adenostemon, DC. Prodr. 3, p. 130 ; Naudin, 1. c. p. 139. 



Hab. Organ Mountains, Brazil. 



4. Pleroma spoliatum. 



Lasiandra spoliata (& L. phalacrostemon), Naudin, in Ann. Sci. Nat. 1. c. p. 137. 



Hab. Organ Mountains, Brazil. 



5. Pleroma Gaudichaudianum. 



Lasiandra Gaudichaudiana, DC. Prodr. 3, p. 127 ; Naudin, 1. c. p. 13b\ 



Hab. Near Rio Janeiro, Brazil. 



