696 CONTRIBUTIONS TO THE BOTANICAL REGISTER. 



genus, to be placed next to Oncidium, 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. Reg. 612 (1822). 



Ceropegia. Asclepiadea. Cor. tubulosa basi ventri- 

 cosa, limbi laciniis ligularibus conniventibus : sestivatione 

 valvata. Columna fructificationis inclnsa. Corona staminea 

 10-nda; lacinias 5 antheris distinctis oppositae longiores 

 cum 5 reliquis (indivisis bifidisve) alternantes. Masses 

 pollinis erectse. Herbse glabrce, scepius volubiles, raclice 

 taberosd. Umbellse interpetiolares, nunc pauciflorce. Brown 

 MSS. 



C. africana, pedunculis 2 — 3-floris, foliis ovato-lanceo- 

 latis carnosis, limbo corollas barbato, coronas laciniis lon- 

 gioribus aversis falcato-recurvis : brevioribus indivisis. 

 Brown MSS. 



Radix : tuber pro ratione herba 3 — 6-uncialis magnum. 

 Caulis simplex, scepius volubilis. Eolia acuta, planiuscula, 

 avenia, breve petiolata, divaricata, apicibus subrecurvis, 

 semuncialia. Spica rara e pedunculis alternis brevibus 

 2 — 3-jloris, pedicellis brevibus minute bracteolatis. Flores 

 erecti, inferior e prcecociore. Cal. h-partitus, laciniis lineari- 

 subulatis nwdice patentibus, basi ventricosd tubi corolla fere 

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

 lete pe?itagond viridi cylindraceus, fauce infundibuliformi 

 striata ; limbi lacinice linear es intils in arginib usque pilis 

 coloratis patulis acutis barbatm, erectcB apicibus conniventi- 

 bus lav iter que cohcerentibus : limbus inexpansus prismatico- 

 pentagonus fauce pe7itagond angulis extantibus cum laciniis 

 limbi alter nantibus. Columna fructificationis basi ventricosd 

 tubi inclusa. Corona apici tubi staminei brevis inserta 

 nwnoplnjlla decemloba : lobi quinque emu staminibus alter- 

 nantes abbreviati indivisi obtusi basi saccati : quinque re- 

 liqui quasi interior es antheris oppositi aliquoties longiores 

 margine interiori truncato-canaficulafo ewteriori in aeiem 



