32 



LXXXIV. APOCYNACE^ (sTAPF). 



[Landolphia. 



style distinctly exceeding the calyx. Fruit oblong, with a thin hard rind, having a 

 sclerenchymatic concentric layer. Endosperm smooth. 



Leaves 8-14 in. long, 4-7 in. brond, pulverulento- 

 tomentellons and cinnamon-coloured below ; 

 ovary pjlabrous . . . . . . 8. Zi. ochracea. 



Leaves under 5 in. long, hirsute or villous ; ovary 



densely hairy. 



Branches and inflorescences densely fulvo- or 



rufo-hirsute with spreading hairs ; leaves 



permanently hirsute or pubescent at least on 



the midrib below. 



Secondary nerves of leaves 11-13 on each side ; 



corolhi-lobes 5-6 lin. long, 2-3 lin. broad 9. X. eminiana. 

 Secondary nerves of leaves 5-7 on each side ; 



corolla-lobes 9 lin. long, 1^-2 lin. broad 10. L. hracteata. 

 Branches and inflorescences more or less ad- 

 pressedly rufo-tomentose ; adult leaves 

 quite glabrous . . . . . . 11. Z. Lecomtei. 



::"::;:::;•• A NCYLOBOTRYS. — Flowers sessile in dense clusters on the ends of the branches 

 of terminal, mostly elongate, more or less sensitive panicles. Calyx up to li lin. 

 long, hairy all over. Corolla-tube 3-12 lin. long, slender, cylindric, slightly widened 

 and staminiferous just above the calyx ; lobes 3-11 lin. long, ciliate along the outer 

 edge. Ovary hairy -, style not or very slightly exceeding the calyx. Fruit globose 

 or obovoid, with a leathery rind, having no sclerenchymatic layer. Endosperm smooth. 

 Corolla-lobes much shortt r than the tube. 



Leaves ovate to broad-oblong; secondary nerves 

 8-11 on each side, curved, much raised below ; 

 reticulation lax ..... 



Leaves lanceolate to oblong ; secondary nerves 

 11-13 on each side, almost straight, very 

 slender ; reticulation dense and fine . 

 Corolla-lobes at least as long as the tube. 



Leaves (/blong- or ovate-lanreolate to oblong, 



about 3 times longer than broad; secondary 



nerves 18-20 on each side, straight and more 



or less horizontal. 



Leaves thinly coriaceous, shortly and obtusely 



acuminate 14. i. Tayloris. 



Leaves very coriaceous, very acutely acuminate 15. L. pachyphylla. 

 Leaves ovate- or elliptic-oblong, about twice as 

 long as broad ; sec aidary nerves 6-12 on 

 tacli side, oblique, more or less curved. 

 Leaves acutely :tnd sliortly acuminate ; secon- 

 dary nerves 9- 12 ; corolla-lobes as long as 

 the tube. 

 Leaves rigidly papery ; petiole 2 lin. long; 



corolla-tube 5-6 lin. long . . .16. L. amoena. 



Leave-i coriaceous ; petiole 3-5 lin. long ; co- 

 rolla-tube 6^-7 lin. long . . . 17. L. ferruginea. 

 Leaves subacute or obtuse (rarely subacumi- 

 nate) ; secondary nerves 6-8 ; corolla-lobes 

 longer than the tube .... 18. L. petersiana. 

 *****EuLANDOLPHiA. — Flowers many or few in dense terminal corymbs, rarely in 

 elongated panicles. Calyx up to 2 lin. long, hairy or almost glabrous ; sepals usually 

 very broad. Corolla-tube l|-3 lin. long, inflated and staminiferous bitween the 



12. L. rohtista. 



13. L. scandens. 



