152 



LXXXIV. APOCYXACE^ (sTAPf). 



[^Voaca7iga. 



Calyx 7-8 lin. louj^ ; corolla-tube as long as tlie c;ilyx ; 

 leaves frequently subacute or obtuse (but not 

 broadly rounded) at th* apex .... 



Calyx 5^6 (rarely to 7) lin. long; corolla-tube 

 shortly exserted from the calyx; leaves usually 

 broa<lly rounded, at the ajjex . . . . 



Flowers large (limb 2 in. in diam.) and yellow, or 

 middle-isized to small and variously coloured, in few- 

 to many-fiowered, raceniifonn to corymbose in- 

 riorescence*, never so robust as in the preceding 

 species; calyx more or less campanulate, lobes as 

 long as tlie tube or nearly so, not' or very tardily 

 cirtumscissile at the base; disc annular, rarely 

 ol)scure. 

 Bracts caducous ; coroila-linib rotate ; lobes always 

 longer than the tube. 

 Inliorescences shortly racemiform or umbelliforni, 

 few-flowered; calyx 7-9 lin. long ; corolla- 

 limb 2 in. in diam. or almost so. 

 Young branches, leaves and intiorescences (except 

 the flowers) more or less pubescent, at least 

 when young ...... 



Quite glabrous ...... 



Inflorescences corymbose, many-flowered; calyx 

 6-3 lin. long; corolla-limb 2 to less than 

 1 in. in diam. 

 Corolla-tube twisted, 6-4 lin. long. 



Calyx 5-6 lin, long; corolla deep yellow 

 (where the colour is known). 

 Leaves sessile or subsessile, broad-ovate or 

 elliptic ...... 



Leaves distinctly petioled, more or less 

 lanceolate to ovate .... 



Calyx 3|-4i lin. long; corolla not deep 

 yellow. 

 Corolla greenish-yellow ; leaves sessile, 

 rarely subsessile .... 



Corolla white ; leaves petioled (petiole up to 

 6 lin. long), rarely subsessile 

 Corolla-tube straight, 3 lin. long 

 Bracts persistent, more or less crowded at the base of 

 the inflorescence ; corolla-limb rotate or reHexed ; 

 lobes shorter than the tube. 

 Corolla-lobes almost as long as (he tube, not darker 

 than the tube ; limb rotate. 

 Calyx 7—8 lin. long, sparingly glandular inside ; 



lobes oblong ; corolla-tube 7—8 lin. long 

 Calyx 4-5 lin. long, multiglandular inside ; lobes 

 rotundate ; corolla-tube 5-5g^ lin. long 

 Corolla-lobi^s half as long as the tube or less, flat 

 and dark when dry ; limb tightly reflexed. 

 Leaves (at least below and when young) and in- 

 florescences finely pubescent : calyx 5-6 lin. 

 long, with a zone of glands above the base; 

 lob»s reHexed, rather longer than the tube ; 

 corolla greenish ..... 



1. J\ uhiusa. 



2. V. Thotiarsti 



r. angolensLs. 



V. Schwebifurfhii. 



5. V. spectahilis. 



6. V. puberula. 



7. V. lutescens. 



V. africana. 

 V. chalotiana. 



. 10. 



11. 



V. psilocalyx. 

 V. Zenkeri. 



12. V. diplocJdamys. 



