168 VlTEX. 



b. Inflorescence with 4—6 peduncles from each node 



20. V. flabelliflora p. 198. 



27. a. Calyx and corolla pubescent 28 



b. Calyx and corolla glabrous. 21. V. secundiflora p. 198. 



28. a. Leaflets extraordinarily densely glandular beneath, 3 or -5, 



pairs of nerves 8—11; bracts minute. 



22. V. lutco glandulosa p. 199. 



b. Leaflets rather sparsely glandular beneath, 3, pairs of 



nerves 6—8; bracts lanceolate, obtuse, 0.8—3.2 cM. long, 



0.1-0.35 cM. broad . . .23. V. glandulosa p. 199. 



29. a. Calyx-lobes 0.1 cM.; filaments stout, glandular and 



villous; leaflets coriaceous . .24. V. coriacea p. 200. 

 b. Calyx-lobes 0.05 cM. or less 30. 



30. a. Leaflets subsessile; calyx and corolla glabrous 



21, V. secundiflora p. 198. 

 b, Petiolules of terminal leaflet ^l>^~~2^j„ cM.; calyx and 



corolla pubescent 31. 



31. a. Terminal leaflet 7— IZVa by 2.8—7 cM., petiolule Vl'— 



1.7 cM. ; calyx truncate or obscurely denticulate 



18. V. littoralis p. 194. 



b. Terminal leaflet ISVa— 25 by 4.8—7 cM., petiolule 



1—2.7 cM 32. 



32. a. Calyx 0.1—0.15 cM., corolla-tube 0.3-0.4 cM.; leaflets 



not acuminate 25. V. lasiantha p. 201. 



b. Calyx 0.2 cM.; corolla-tube 0.5—0.6 cM.; leaflets long 

 acuminate 26. V. longifolia p. 201. 



33. a. Calyx truncate or very obscurely denticulate 



17. V. nitida p. 194. 

 b. Calyx distinctly 5-toothed 34. 



34. a. Corolla-tube 0.4—0.5 cM., the 4 smaller lobes reaching 



Vi!— V4 of its length 35. 



b. Corolla-tube 0.8 cM., the 4 smaller lobes reaching Ve 

 of this length ; calyx denticulate 15. V. heterophylla p. 1 87. 



35. a. Corolla villous within, as are filaments . . .36. 

 b. Corolla within, and filaments, glabrous, sometimes a litdc 



villous on the base of the raidlobe of the lower corolla-lip 



14. V. sumatrana p. 186. 



36. a. Leaflets cglandular beneath 21. V. secundiflora p. 198. 



