210 ON THE ASCLEPIADEiE. 



m TYLOPHORA. 



Char. Corolla rotata, 5partita. 



Corona staminea 5phylla, foliolis depressis, carnosis, 

 angulo interiori simplici edentulo. 



Antherce membi*ana terminatse. 



Massce poUinis erectse, basi affixse, marginibus simplicibus. 



Stigma muticum. 



FoJliculi Iseves. Semina comosa. 



Habitus. Herha v. siiffrutices volubiles. Folia opposita, 

 meinbranacea, plana. TJmbellm interpetiolares. Mores 

 utpluriraum parvi. 



Patria. Nova HoUandia, prsesertim intra tropicum, sed 

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

 sequinoctialis. Octo species nobis cognitse, quarum nuUse 

 adhucdum editae sunt. 



MARSDENIA. 



Char. Coro//« urceolata, 5fida,-nnnc subrotata. 



Corona staminea 5pbylla, foliolis compressis, indivisis, 

 intus edentulis. 



Antliera membrana terminatse. 



Massce pollinis erectse, basi affixse. 



Folliculi Iseves. Semina comosa. 



Habitus. Suffrutices ssepiiis volnbiles. Folia opposita, 

 latiuscula, plana. Cyirice, nunc Thyrsi, interpetiolares. 



Stigma ssepiiis muticum, quandoque rostratum, rostro 

 indiviso vel bifido. 



39: 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 lacinise 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., 



