— 48 



1. a. Calyx regularly 5-toothed, sometimes subtruncate or truncate (Section I 



Agnus-castus (Endl.) BRiQ. = Euagnus Schau.) . . 3 



b. Calyx 2-lipped, 1 lip entire or with 2 small teeth, the other 2-toothed, 1 lip 

 entire or with small teeth, the other 2-toothed (Section II Glossocalyx Clarke). 2 



2. a. 1 Peduxcle p. axil , 39. V. gamosepala 



b, 2 Peduncles p, axil . . . ■ . . . . 40. V. neglecta 



3. a. Cymes in large terminal panicles (sect. I, subsection 1 Terminales Briq.) . 4 

 b. Cymes axillary, also in the axils of the lower leaves, sometimes composed 



to a long, interrupted, leafed, terminal panicle (Sect. I, subsertion 2 Axillares 

 Briq.) .38 



4. a. Petioles winged 5 



b. Petioles not winged. . . . , . . . . ... . .6 



5. a. Petioles 3.8-6.2 c.M. long, winged towards the spex; wings rotundate, together 



0.8-1 c.M. broad; leaves somewhat pubescent beneath . I.V. altissima 

 b. Petioles 7-15 c.M. long, winged towards the base, sometimes also towards 

 the apex, with the wings 0.4-1.5 c.M. broad; leaves pubescent beneath 2. V. alata 



6. a. Leaves 1-, sometimes 2-foliolate 7 



b. Leaves 3-5 (-7-9) foliolate 12 



7. a. Leaflets 8-30 c.M. long . . . . 8 



b. Leaflets 1.7-6,5 c,M. long, ovate or obovate, greyish tomentose beneath 



. . . . ... 9. V, trifolia var. ß 



8 a. Calyx truncate or indistinctly 2-5-toothed . . . 3. V. cofassus 

 b. Calyx distinctly 5-toothed . . . 9 



9. a. Leaflets 3-4-nerved; 12-20 by 4-8 c.M,; petioles 1-2 c.M.; calyx sparsely 



glandular without and within . 4, 'V. smilacifolia 



b. Leaflets 6-20-nerved 10 



10. a. Leaves minutely white-tomentose beneath . . . 5. V. erioclona 



b. Leaves entirely glabrous beneath . . ,11 



11. a. Leaflets 6-10-nerved , 6. V. sarawakana 



b. Leaflets 10-20-nerved 7. V. Hollrungii 



12. a. Leaflets distinctly pubescent on one or both sides 13 



b. Leaflets glabrous on both sides, or pubescent only on the midrib . .20 



13. a. Terminal leaflet sessile • . . . .14 



b. Terminal leaflet petioluled . . . .- - . .16 



14. a. Leaflets 3-5 (sometimes 7 or 9) lanceolate, panicles interrupted, with sub- 



sessile, opposite, globose cymes, midlobe of lower Tip of corolla little longer 



than the lateral lobes 8. V. Agnus-castus 



b. Leaflets 1-3, or if 5, then length only twice the breadth . . . . .15 



15. a. Leaflets 1-3, terminal one 2.6-9.2 by 1-3.7 c.M., petioles 0.7-3 c.M., calyx 



5-denticulate, 0.3-0.4 c.M., teeth 0.05 c.M. . . 9. V. trifolia var. A. 

 b. Leaflets 5, terminal one 8-15 by 3 1 f 2 -8'/ 2 c.M, petioles 4-8 c.M., calyx 5-toothed, 

 0.6 c.M., teeth 0.2 c.M . . 10. V. pubescens 



16. a. Calyx 0.2-0.3 c.M., corolla (together with midlobe of lower lip) 0.7-1.1 c.M. 17 

 b. Calyx 0.6 c.M., corolla (together with midlobe of lowes lip) 2 c.M. 



10. V. pubescens 



17. a. Corolla entirely glabrous within . . . . 18 



b. Corolla more or less villous in the throat and near the insertion of the 



stamens 19 



18. a. Leaflets membronous, scabrid-punctate above, densely velutinous beneath; 



terminal ones 10-22 by 4'/ 2 -lO c.M.; petiolules 1-2 c.M. . 11. V. velutina 

 b. Leaflets chartaceous, glabrous above or nearly so, with small white scales, 

 sparsely pubescent and glandular beneath; terminal one 9-14 by 4-7 c.M.; 

 petiolules l 1 / 2 -2V 2 c.M 12. V. sumatrana 



I 



