OWu CONTRIBUTIONS TO THE BOTANICAL REGISTER. 



genus, to be placed next to Onciuium, from which it differs 

 by a convolutely concave undivided taper-pointed label, a 

 corolla with the petals all distinct, a column with the two 

 top-lobes converging convolutely (not extended), and by 

 two furrowless or unindented pollen-masses (furrowed or 

 indented in Oncidium). 



Bot. Beg. 612 (1822). 



Ceropegia. Asclepiadea. Cor. tubulosa basi ventri- 

 cosa, linabi laciniis ligularibus conniventibiis : sestivatione 

 valvata. Columna fructificationis 'mc\\isd,. Corona staminea 

 10-fida; lacinise 5 antheris distinctis oppositse longiores 

 cum 5 reliquis (indivisis bifidisve) alternantes. Massw 

 jiollinis erectse. Herbse glabrce, sapius volubiles, radice 

 tuberosd. Umbellee interpetiolares, nunc pauciflorce. Brown 

 MSS. 



C. a/ricana, pedunculis 2- — ^3-floris, foliis ovato-lanceo- 

 latis carnosis, limbo corollse barbato, coronse laciniis lon- 

 gioribus aversis falcato-recurvis : brevioribus indivisis. 

 Broton MSS. 



Radix : tuber joro ratione herbce 3 — Q-uncialis magnum. 

 Caiilis simplex, scepias volubilis. Folia acuta, planiuscula, 

 avenia, breve petiolata, divaricata, apicibus subrecurvis, 

 semuncialia. Spica rara e pedunculis alternis brevibus 

 2 — Z-.jloris, pedicellis brevibus minute bracteolatis. Flores 

 erecti,inferiore praecociore. Cal. b-partittcs, laciniis lineari- 

 subulatis tnodice patentibus, basi ventricosd tubi corolla fere 

 ter brevioribus. Corolla : tubus e basi obovato-globosd obso- 

 lete pentagond viridi cylindraceus, faiice infundibuliformi 

 striata ; limbi lacinice lineares intus marginibusque pilis 

 coloratis patulis acutis barbata, erectes apicibus conniventi- 

 biis Iceviterque cohcerentibus : limbus inewpansus prismatico- 

 pentagonus fauce pentagond angulis esotantibus cum laciniis 

 limbi alternantibus. Columna fructificationis basi ventricosd 

 tubi inclusa. Corona apici tubi staminei brevis inserta 

 monophylla decemloba : lobi quinque cum staminibus alter- 

 nantes abbreviati inclivisi obtusi basi saccafi : quinque re- 

 liqui quasi inter lores antheris oppositi aliquoties longiores 

 iiiargine inleriori truncato-canaliculato exteriori in acleiu 



