194 *  LXX, RUBIACEZ (HIERN). 
Shoots green, glabrous. Peduncles } in. long . 
Shoots reddish, branny-puberulous. Peduncles 
lin.long . . 1. 1. 2 we we ew ew 
Leaves 7-9 in. long; lateral veins about 15-16 
pairs; tertiary veins conspicuous... . 
Inflorescence subsessile. Branchlets marked with de- 
current ridges between the upper nodes. . . . 
Corolla-lobes each with a spreading linear horn nearly as 
long as the tube. 
Glabrous. Leaves acuminate . oe 
Hairy. Leaves obtuse, not acuminate . . . . 
II. PanicutaTz. 
Corolla-lobes flat, not keeled nor crested at the back. 
Stipules bifid bidentate bisetose or bi-tricuspidate. 
Stipules 4-3 in. long, not sheathing. 
Inflorescence pyramidal or corymbose, lax, pedun- 
culate. 
Tertiary veins not conspicuous. Epigynous disk 
not sulcate. 
Shoots bifariously hairy. Inflorescence slender 
Shoots glabrous or puberulous, not bifariously 
hairy. Inflorescence not slender. 
Leaves almost veinless . . . 1... 
Leaves of nearly the same colour on both 
surfaces ; lateral veins strongly marked 
Leaves paler beneath ; lateral veins slender. 
Leaves coriaceous; lateral veins about 
7-8 pairs 2... 1 ww ee 
Leaves chartaceous ; lateral veins about 
12-16 pairs. 
Panicles axillary and subterminal ; 
peduncle 3-3 in. long. Leaves 
44-6in.long . 2... 
Corymbs lateral, small; peduncle 4 in. 
; _ long. Leaves 7-8} in. long 
Tertiary veins conspicuous beneath. Epigynous 
disk ribbed and suleate . . . . . we 
Inflorescence globose, sessile or shortly pedun- 
culate, dense. 
Style exserted. Leaves ovate-oval, some 
black-punctate . 2... 1 1. 
Style included. Leaves obovate-oval, not 
punctate... . wk 
Stipules 3-? in. long, sheathing . . 2 . 1 4 
Stipules undivided, entire. 
Inflorescence subglobose or umbelliform, subsessile 
or shortly pedunculate ; flowers 4-1 in. long. 
Stipules 1Bytbrous. Calyx subtruncate, shortly 
oothed, 
Leaves 3-9 in. long; lateral veins about 8-10 
pairs. A shrub, Flowers pentamerous 
Leaves 8-14 in. long; lateral veins about 12 
pairs. A tree. Flowers 5-6-merous . . 
Stipules shaggy inside. Calyx cleft. . . . . 
Inflorescence pyramidal or corymbose; common pe- 
duncles 1~2 in. long; flowers 4~} in, long. 
Leaves obtuse, not acuminate. 
[ Psychotria. 
3. P. setacea. 
4, P. Mannii. 
5. P. foliosa. 
6. P. lophoclada, 
7. P. cornuta. 
8. P. humilis. 
9. P. bifaria. 
10. P. wmbellata. 
11. P. monticola.. 
12. P. calva. 
13. P. leptophyla. 
14, P. Doniana. 
15. P. konguensis. 
16. P. subpunctata. 
17. P. brunned. 
18. P. longevaginalis. 
19. P. gabonica. 
20. P. arborea. 
21. P. sciadephora- 
alain 
