E. Gilg u. M. Brandt, Vitaceae africanae. 447 
+ Petioli breves, vix 1/3 laminae longitu- 
dine adaequantes. . . . . . . . . . 32. C. nymphaeifolla (Welw.) 
Planch. (Angola) 
++ Petioli laminam longitudine subad- 
aequantes . . . . . . 2 . . . . . . 38. C. Trothae Gilg et Brandt 
(Deutsch-Ostafrika 
** Suffrutices scandentes cirrhosae caule tenui. 
+ Folia suborbicularia cordata, subtus 
dense vel densissime tomentosa . . . 34. C. rubiginosa (Welw. 
Planch. (Togo. Angola, Kongogebiet, Nyassaland) 
tt Folia oblonga basi cordata apice late 
aculata, subtus laxe tomentosa, demum 
calvescentia . . . . . . . . . . . . 38. C. Bussei Gilg et Brandt 
(Nyassaland 
b. Folia semper (plerumque multo) longiora quam 
latiora, basi haud vel obsolete cordata (cf. C. pro- 
ductam [n. 38 ). 
a. Suffrutices scandentes cirrhosae caule elignoso 
plerumque subcarinoso atque tetragono. 
I. Alabastrum majusculum, anguste ovoideum 
usque conicum, apice acutum, ceraceo-car- 
nosum. Inflorescentiae expansae, multiflorae, 
longe pedunculatae. 
1. Folia subcoriacea integra, late ovata, basi 
Æ truncata, subtus ad nervorum angulos 
domatiifera . . 2 . . 2 nn s s s s 36, C. DinklageiGilg et Brandt 
(Gabun, Seengebiet. 
2. Folia herbacea vel membranacea, manifeste 
dentata. 
* Alabastrum manifeste ceraceum, petalis 
sub anthesi patentibus persistentibus. In- 
florescentia expansa, laxa, pluries cymose 
divisa, pseudumbellulis subpaucifloris . . 37. C. Barterri (Bak. Planch. 
(Kamerun, Kongogebiet) 
** Alabastrum cartilagineum, petalis sub an- 
thesi calyptratim decumbentibus. Pseud- 
umbellulae multiflorae densissimae. Folia 
ovata basi rotundata (rarius manifeste 
cordata, onen. 88. C. producta. Afzel. 
(Von Sierra Leone durch Kamerun bis ins Kongogebiet und sSeengebie!, 
I. Alabastrum apice rotundatum, parvum. In- 
florescentiae expansae multiflorae, longe pe- "d 
dunculatae. Folia pergamacea . 39. C. Barbeyana De Ni 
et Th. Dur. (Nigergebiet, Kamerun, Gabun, Kongogebiet) 
I. Alabastrum apice rolundatum, parvum. In- 
florescentiae sessiles vel subsessiles vel bre- 
vissimae pedunculatae, pauciflorae, parce ra- 
mosae. Folia tenuiter herbacea vel mem- 
branacea. 
4. Pedicelli sub flore haud incrassati, t i 
Brandt (Sierra Leone, Kamerun, Ghasalquellengebie 
enues. 40. C. Afxelii \Bak.) Gilg et 
t, Kongogebiet 
