Clerodendron. 243 



b. Calyx 1 — 1.3 cM., pedicels 1—1.8 cM. 



33. C. kinabaluense p. 279. 



40. a. Plant myrmecophilous ; branchlets and petioles fistular 



34. C. myrmecophilum p. 280. 

 b Plant not myrmecophilous .41, 



41. a. Leaves largely and distantly dentate (2—6 lobe-like teeth 



p. leaf); calyx minutely pubescent 35. C. Williamsii p. 281. 

 b. Leaves entire ; calyx glabrous 36. C. macrophyllum p. 282. 

 42.- a. Corolla 3—5 cM., white, glabrous; calyx pink, 2V2 cM., 

 scarcely pubescent; leaves densely glandular beneath 



75. C. Preslii p. 314. 



b. Corolla 2^/„ cM. or less, or, if longer, then leaves 



eglandular beneath and corolla pubescent . . . .43. 



43. a. Calyx toothed for 73 or more of its length . . .44. 

 b. Calyx toothed for V2 or less of its length . . . .54. 



44. a. Calyx in flower-time 0.3—0.5 cM 45. 



b. Calyx in flower-time 0.8—1.3 cM 47. 



45. a. Leaves glabrous above (nerves excepted) 



37. C. barba felis p. 282. 

 b. Leaves pubescent above 46. 



46. a. Leaves not deeply cordate . 38. C. papuanum p. 283. 

 b. Leaves deeply sinuate-cordate 39. C. puberulum p. 283. 



47. a. Lower leaves 3-l9bed, upper ones ovate ; leaf-base 3-nerved, 



lower side glandular; corolla-tube twice as long as 



calyx 25. C. trichotomium p. 273. 



b. All leaves entire 48. 



48. a. Calyx with large glands or scales 49. 



b. Calyx without such glands or scales 50. 



49. a. Calyx pubescent and scaled within and without; leaves 



obovate, obtusely acuminate, glabresccnt above, minutely 



pubescent beneath .... 40. C. Curtisii p. 284. 



b. Calyx glabrous within; leaves ovate-cordate, acuminate, 



sparsely tomentose on both sides 4L C. infortunatum p. 285. 



50. a. Plant myrmecophilous, branchlets and petioles fistular; 



panicles > 30 cM. . . 34. C. myrmecophilum p. 280. 

 b. Plant not myrmecophilous, panicles < 20 . . . .51. 



51. a. Leaves 9—15 by 4—10 cM.; petioles 2— 6cM.; calyx 



in flower-time 1 — 1.3 cM 52. 



