Clerodendron. 241 



b. Calyx 0.6—1.8 cM.; corolla at least 1.2 cM. longer 

 than the calyx 17. 



17. a. Calyx 0.6—0.9 cM. long .18. 



b. Calyx 1.2—1.8 cM. long .19. 



18. a. Calyx hardly 5-toothed; leaves glabrous on both sides 



12. C. elliptifolium p. 261. 

 b. Calyx deeply 5-toothed, leaves pubescent on both sides 



13. C. condensatum p. 262. 



19. a. Calyx 1.2 cM., corolla-tube 2V2 cM. long 



14. C. Cumingianium p. 262. 



b. Calyx 1.6—1.8 cM., teeth 0.9 cM., corolla-tube 3 cM. 



long 15. C. macrostegium p. 263. 



20. a. Leaves 5— I3V2 by 4— 6V2 cM.; petioles 2—6 cM.; 



pubescent on both sides, chartaceous 



13. C. condensatum p. 262. 



b. Leaves 18—23 bij 7—8 cM. ; petioles 5— 7V2 cM. ; upper 



side glabrous, lower one pubescent; calyx 0.5 cM., teeth 



0.25 cM.; corolla-tube 2 cM. long 16. C. deflexum p. 263 



21. a. Herbs; calyx 0.2— 0.25 cM. 17. C. macrostachyum p. 264 

 T}. Shrubs; calyx 0.65—1.5 cM 22 



22. a. Calyx 0.65—0.8 cM.; leaves 12—22 by 2V2— 10 cM. 



corolla + pubescent, glandular 18. C. penduliflorum p. 265 

 b. Calyx 1 — 1.5 cM., leaves 10-40 by 3.7—15 cM. . 23, 



23. a. Leaves 20-40 by 5—15 cM.; petioles 2V2-7V2 cM.; 



calyx 1.5 cM., lobes 0.6 cM. broad; corolla-tube 



1 — 1.5 cM 19. C. umbratile p. 265. 



b. Leaves 10—26 by 3.7— lO.cM.; petioles V2— 1 cM.; 

 calyx 1 — 1.2 cM.; corolla-tube 1.6—1.8 cM. 



20. C. laevifolium p. 266. 



24. a. Leaves (the nerves excepted) glabrous on both sides 25. 

 b. Leaves usually rather densely pubescent on one or both 



sides 42. 



25. a. Corolla 3—5 cM. long, glabrous, white; calyx 2 V2 cM., 



pink, sparsely pubescent ; leaves densely yellow-glandular 



beneath 75. C. Preslii p. 314. 



b. Corolla 2V2 cM. long, or less 26. 



26. a. Proportion of length and breadth of leaf = 1 — 2 . 27. 

 b. Proportion of length and breadth of leaf = 3 or more 37. 



16 



