118 Lxx. RUBiAOE^ Chiehn). [Tricalysia. 



oval or ovate or lanceolate, dextrorsely contorted in the bud as seen 

 from inside, obtuse or apiculate, rarely acute. Stamens 4-8, inserted 

 at the mouth of the corolla, usually exserted, glabrous ; filaments short 

 or equalling the corolla-lobes, slender, subulate ; anthers linear, fixed 

 at the back rather above the base ; connective often produced at the 

 tip into an apiculus or claw. Disk annular, fleshy, glabrous. Ovary 

 2- or rarely S-celled ; style slender, rather thicker upwards, 2- or 

 rarely 3-lobed ; ovules 2-8, collateral or in two longitudinal rows, pendu- 

 lous, more or less impressed on the fleshy placentas. Fruit pisiform, bac- 

 cate, coriaceous, 1-2-celled, few-seeded. Seeds obtusely angular or 

 rounded ; testa not fibrous. — Erect or climbing shrubs, with opposite 

 t rete or obtusely quadrangular branches, opposite shortly petiolate 

 leaves, short broad apiculate intra-petiolar stipules connate at the base, 

 rather stoall subsessile or shortly pedicellate axillary flowers, and op- 

 posite apiculate bracteoles more or les& connate below. 



A genus containing a few Natal and Madagascar species besides the following. 

 The Asiatic genus Biplnspora, DC, fleems scarcely to differ. 

 Calyx-limb 4-6-lobed (Kraunsia). 

 Flowers on pedicels of ^-^ in. long. 



Leaves wedge-shaped at the base ; lateral veins about 



4-5 pairs 1. 71 Sonderiana. 



Leaves obtusely narrowed or nearly rounded at the 



base ; lateral veins about 6-7 pairs . . ; . 2. T. ovalifolia. 

 Flowers on very short pedicels. 



Calyx somewhat hairy or at least the lobes ciliolate. 

 Teeth of the epicalyx all small. 



Leaves rouniled at the base. Calyx-lobes roundly 



ovate, ciliolate 3. 71 huxifotia. 



Leaves wedge-shaped at the base. Calyx-lobes 



ovate, densely ciliate 4. 7". syrnianthera. 



One tooth of the epicalyx in some cases developed 



into a foliaceous lobe b. T. hracteata. 



Calyx quite glabrous 6. T. congesta. 



Calyx-limb truncate, denticulate or entire or nearly so ; 

 in some species at length cut longitudinally by two 

 opposite slits. 

 Style more or less hairy {Diplocrater). 

 Calyx glnbrate. Leaves coriaceous. 



Tube of ciilyx not striate 1. T. cnriacea. 



Tube of the calyx striate (when dry) 8. 7". Nyassa. 



Calyx more or less hairy. Loaves thinly coriaceous 

 or chartaceous. 

 Leaves with the transverse tertiary veins clearly 



marked beneath j 9. T. retictilata-. 



Leaveswith the oblique tertiary veins inconspicuous. 



Corolla-lobes obtuse . 10. 7'. pallens. 



Corolla-lobes apiculate or acute. 



Branches shortly pubescent . . . . , . 11. T. gahonica. 



Branches glabrous 12. 71 okelemds. 



Style glabrous. 



Calyx glabrous 13. T. hiafrana. 



Calyx puberulous, ciliolate. 



Flowers pentamerous. Leaves 3-6 in. long . . 14. 71 micrantha. 

 Flowers hexamerous. Leaves 1.^-2 in. long . . 15. T. microphyUa. 

 Calyx silky {liosea) 



