242 Clerodendron. 



21. a. Corolla-tube glabrous 28. 



h. Corolla-tube pubescent 34; 



28. a. Calyx 0.4-0.65 cM 29. 



h. Calyx 1.0-1.8 cM 32. 



29. a. Calyx hardly 5-toothed, corolla-tube 1.8 cM. 



12. C. clliptifolium p. 261. 

 h. Calyx distinctly 5-toothed for V2 of its length or more 30. 



30. a. Petioles2—2V2cM.; inflorescences with much leafy bracts; 



corolla-tube 0.7 cM. . 22. C. multibracteatum p. 270. 

 b. Petioles 2V2-2O cM 31. 



31. a. Plant hirsutely hairy; inflorescences 7V2— 10 cM. in diam. 



27. C. tracyanum p. 274. 

 h. Plant rather glabrous ; inflorescences 30 — 60 cM. in diam. 



23. C. Colebrookianum p. 271. 



32. a. Calyx inflated, 1.3— 1.7 cM 33. 



h. Calyx not inflated, 1.0 cM.; corolla-tube, 1.5—1.7 cM. 



long 24. C. adenophysum p. 272. 



33. a. Corolla-tube twice as long as calyx, 2.6 cM.; lower 



leaves 3-lobcd .... 25. C. trichotomum p. 273. 



h. Corolla-tube as long as calyx or nearly so, 1.4 — 1.8cM.; 



all leaves entire 26. C. magnificum p. 273. 



34. a. Calyx 0.5-0.65 cM 35. 



h. Calyx 0.8-1.2 cM 36. 



35. a. ) \T1. C. tracyanum p. 274. 

 h. ^ ^28. C. buruamum p. 274. 



36. a. Corolla-tube 1.5—1.9 cM.; calyx 1 — 1.2 cM.; leaves 



long acuminate . . . 29. C. bruDfelsiifioriun p. 275. 



h. Corolla-tube 2—2.3 cM.; calyx 8—1.2 cM.; leaves 



shortly acuminate or acute 30. C. porphyrocalyx p. 276. 



37. a. Calyx 0.3 — 0.4 cM.; leaves long acuminate at base and 



at apex; calyx- and corolla lobes rounded; inflorescences 



spike-shaped 31. C. Friesii p. 278. 



h. Calyx 0.6-1.3 cM 38. 



38. a. Leaves very abruptly acuminate; calyx 1.2 cM. 



32. C. Diepenhorstii p. 279. 

 h. Leaves not abrupdy acuminate 39. 



39. a. Calyx 0.6—0.9 cM 40. 



