ON THE ASCLEPIADE.E. 219 



Massce pollinis compressse, apice attenuate* affixae, pen- 

 dulse. 



Stigma muticum. 



Folliculi laeves. Semina comosa. 



Habitus. Saffridices volubiles, glabri. Folia opposita. 

 Bacemi v. umbellce interpetiolares. 



Patria. India Orientialis et Nova Hollandia? 



Obs. Periploca esculenta, Linn. Suppl. Roxb. Corom. c« 

 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 ; limbo 5partito, 

 laciniis supra ligulatis. 



Corona staminea 5phylla, foliolis subrotundis simplicibus, 

 carnosis. 



Anther <b membrana terminatse. 



Massce pollinis lineares, pendulse, affixae curvaturse pro- 

 cessuum, dein adscendentium. 



Stigma acumine elongato bipartite 



Folliculi 



Habitus. Frutex volubilis. Folia opposita, cordata. 

 Umbellce subcorymbosae, interpetiolares. Flores suaveo- 

 lentes. 



Patria. America Meridionalis. 



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 squamula [4a 

 interiori auctis. 



