152 LXXXIV. APOCYNACEH (STAPF). 
Calyx 7-8 lin. long; corolla-tube as long as the calyx ; 
leaves frequently subacute or obtuse (but not 
broadly rounded) at the apex “ ‘ : 
Calyx 53-6 (rarely to 7) lin. long; corolla-tube 
shortly exserted from the calyx; leaves usually 
broadly rounded at the apex 5 c 
Flowers large (limb 2 in. in diam.) and yellow, or 
middle-sized to small and variously coloured, in few- 
to many-flowered, racemiform to corymbose in- 
florescences, never so robust as in the preceding 
species; calyx more or less campanulate, lobes as 
long as the tube or nearly so, not or very tardily 
circumscissile at the base; disc annular, rarely 
obscure. 
Bracts caducous; corolla-limb rotate; lobes always 
longer than the tube. 
Inflorescences shortly racemiform or umbelliform, 
few-flowered; calyx 7-9 lin. long ; corolla- 
limb 2 in, in diam. or almost so, 
Young branches, leaves and inflorescences (except 
the flowers) more or less pubescent, at least 
when young. : . . 
Quite glabrous : : c : : 
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 . é : é : 5 
Leaves distinctly petioled, more or less 
lanceolate to ovate. z : : 
Calyx 33-44 lin. long; corolla not deep 
yellow. 
Corolla greenish-yellow; leaves sessile, 
rarely subsessile . c : : 
Corolla white ; leaves petioled (petiole up to 
6 lin. long), rarely subsessile : 
Corolla-tube straight, 3 lin. long : 5 
Bracts persistent, more or less crowded at the base of 
the inflorescence ; corolla-limb rotate or reflexed : 
lobes shorter than the tube. 
Corolla-lobes almost as long as the 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 4-65 lin. long, multiglandular inside ; lobes 
rotundate; corolla-tube 5-53 lin. long 
Corolla-lobes 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 ; 
lobes retlexed, rather longer than the tube ; 
Ie. 
2. 
ot & 09 
eo 
= 10: 
sale 
[ Voacanga. 
TV’. obtusa. 
V. Thouarsii, 
. PV. angolensis. 
V. Schweinfurthi. 
V. spectabilis, 
V. puberula, 
V. lutescens. 
V. africana. 
V. chalotiana. 
V. psilocalys. 
V. Zenkert. 
corolla greenish a Z : : . 12. V. diplochlamys. 
