ON THE ASCLEPIADE^. 227 



Siigma submuticum. 



Folliculi 



Habitus. Herba decumbens, humilis. Folia oppo- [52 

 sita, hastata. Mores subumbellati. 

 Patria. Africa Australis. 



Obs. This remarkable character is taken from Apo- 

 cynum hastatum, Thunb. Prod. 47 ; A. minutum, Linn. 

 Suppl. 169, and from a very nearly related species found 

 at the Cape of Good Hope, by Mr. Ferdinand Bauer. 



METASTELMA. 



Char. Corolla subcampanulata ; Fauce coronata den- 

 tibus 5 exsertis, sinubus oppositis, tubum decurrentibus. 



Corona staminea nulla. 



Antheree membrana terminatse. 



Masses pollinis compressse, apice attenuate afSxse, pen- 

 dulse. 



Stigma muticum. 



Folliculi 



Habitus. Planta perennis, volubilis, glabra. Folia 

 opposita, membranacea. TJmbellcB interpetiolares, subses- 

 siles. Flores parvi. 



Patria. America Meridionalis. 



Obs. This is the Cynanchum parviflorum of Swartz, 

 whose description, however, of the corona, in Flor. Ind. oc. 

 1, jo. 537, does not agree with ours, which was taken from 

 excellent specimens ^in the Banksian Herbarium, col- 

 lected in the islands of St. Croix and St. Christopher, [6s 

 Masson and Von Bohr. 



MICROLOMA. [Ceropegise sp. Linn. Jacq. Ceropegia 



Lam. Illust. Gen. tab. 179. 



Chab. Corolla urceolata, tubo ventricoso, angulato, 

 fauce nuda, limbo breviore. 



