ON THE ASCLEPIADEiE. 219 



Masses poUinis compressse, apice attenuate affixse, pen- 

 dulse. 



Stigma muticum. 



FoUiculi Iseves. Semina comosa. 



Habitus. Suffrutices volubiles, glabri. Folia opposita. 

 Macenii v. umhellm interpetiolares. 



Patria. India Orientialis et Nova HoUandia? 



Obs. Periploca esculenta, Zw?m. 6'mjojo/. Roxh. Coroni. [« 

 1, p. 13, t. 11, is the type of the genus, and perhaps the 

 only genuine species ; for a New Holland plant which I 

 have at present joined with it, differs considerably both in 

 the form of its corolla and that of its corona. 



OXYPETALUM. 



Char. Corolla tubo brevi ventricoso ; hmbo Spartito, 

 laciniis supra ligulatis. 



Corona staminea Sphylla, foliolis subrotundis simplicibus, 

 carnosis. 



Antherce membrana terniinatse. 



Massce pollinis lineares, pen dulse, aflSxse curvaturse pro- 

 cessuum, dein adscendentium. 



Stigma acumine elongate bipartite. 



FoUiculi 



Habitus. Frutex volubihs. Folia opposita, cordata. 

 UmbellcB subcorymbosse, interpetiolares. Flores suaveo- 

 lentes. 



Patria. America Meridioualis. 



Obs. The genus consists of a single species, which was 

 discovered in- 1768, near Rio de Janeiro, by Sir Joseph 

 Banks. 



DIPLOLEPIS. 



Char. Corolla tubo brevi, urceolato, limbo 5partito. 

 Corona staminea 5phylla, foliolis obtusis squanuda [la 

 interiori auctis. 



