210 ON THE ASCLEPIADE/E. 



28] TYLOPHORA. 



Char. Corolla rot at a, 5partita. 



Corona staminea 5phylla, foliolis clepressis, carnosis, 

 angulo interiori simplici edentulo. 



Anther m membrana terminatse. 



Massce pollinis erectae, basi affixae, marginibus simplicibus. 



Stigma muticum. 



Folliculi laeves. Semina comosa. 



Habitus. Herb a v. suffrutices volubiles. Folia opposita, 

 membranacea, plana. Umbellce interpetiolares. Flores 

 utplurimum parvi. 



Patria. Nova Hollandia, praesertim intra tropicura, sed 

 usque ad grad. 33. lat. aust. India Orientalis, et Africa 

 aequinoctialis. Octo species nobis cognitae, quarum nullae 

 adhucdum editae sunt. 



MARSDENIA. 



Char. Corolla urceolata, 5fida, nunc subrotata. 



Corona staminea Sphylla, foliolis compressis, indivisis, 

 intus edentalis. 



Anther a membrana terminatse. 



Massce pollinis erectae, basi affixae. 



Folliculi laeves. Semina comosa. 



Habitus. Suffrutices saepius volubiles. Folia opposita, 

 latiuscula, plana. Cymm, nunc Thyrsi, interpetiolares. 



Stigma saepius muticum, quandoque rostratum, rostro 

 indiviso vel bificlo. 



29] Patria. India Orientalis et Nova Hollandia ; rarius 

 in America Meridionali, et Syria. 



Obs. This genus differs from Pergularia, chiefly in the 

 want of the inner laciniae of the corona : it is therefore an 

 arbitrary separation, and made principally to obtain clearer 

 characters for both. The two species, with an elongated 

 stigma, are perhaps not truly of this genus, but if separated 

 from it, must form each a distinct genus. 



It is named in honour of William Marsden, Esq., 



