Jjoranihics.] cxix. loranthace^ (sphague). 259 



Umbels 4-6-flo\vered ; peduncle shorter than the 



pedicels 13. L. curviflorus. 



Receptacle and calyx obcouical, 2-3 lin. long; 



leaves 5-10 lin. broad 15. i. kalacJiariensis. 



5. TapinostemMA. Umbels axillary, solitary or fascicled ; bract unilaterally 

 developed from a saucer-shaped base ; Jlov)ers pentamerons, gamopctalous. Calyx 

 truncate in bud, irregularly split or lobed ivhen the fioiver expands. Corolla 

 arcuate in bud, o-yibbous at the base of the lobes, narrowed from the base of the lobes 

 to their middle, clavate above ; tube cylindric, much shorter than the lobes, provided 

 inside^a short distance above the base, loithh ascendingflaps inserted on the adnate part 

 of the f laments ; lobes plicate on the inner surface below the insertion, of the stamens, 

 refexed or tvi.sted about their middle. Stamens inserted some distance above the 

 base of the corolla-lobes^ arcuate above ; anthers linear, not transversely divided. 

 Disc confluent loith the base of the corolla-tube., surrounding the base of the style. 

 Stigma capitate. — Tapinostemma, Van Tiegh. in Bull. Soc. Bot. France, xlii. 257, genus. 



Leaves petioled 16. i. Acacice. 



Leaves sessile 17. Z. nummularicefolius. 



6. KuFESCKXTES. Umbels, fascicles or Jieads, or the floicers sessile, aggregated ; 

 bract unilateral ; flowers pentamerous, gamopctalous. Califx cupular or reduced 

 to a short rim, truncate or lobed. Intramarginal disc sometimes present. Corolla 

 in bud subcylindric, or clavate above, more or less densely clothed ivith rusty verti- 

 cillate-branched hairs, at least in a young stale, in a few cases becoming minutely 

 puberulous when fully developed ; tube split unilaterally ; lobes erect or, more rarelif, 

 reflexed, spathutate or spathulate-linear. Stamens inserted at ur shortly above the 

 base of the corolla-lobes ; filaments involute ; anthers oblong or linear, divided 

 transversely into numerous (10-26) small cells arranged in four vertical rows. 

 Disc annular, 2ientagonal, rusty -pilose or glabrous, sometimes very small. Style 

 skittle-shaped above ; stigma more or less capitate. — Septimetula, Van Tiegh. in 

 Bull. Soc. Bot. France, xlii. 266. Metula, Van Tiegh. I.e. 263. 



Corolla 3-3i in. long ; lobes spathulate-linear . 18. Z. kamerunensis. 



Corolla l^-2f in. long ; lobes si)athulatB or spathu- 

 late-linear. 

 Corolla-lobes retiexed, spatlmlate-linear; tiower- 

 buds only slightly swollen at the apex. 

 Flowers shortly pedicelled ; bract shorter than 



the recejitacle and calyx . . . . 19. i. leonensis. 

 Flowers sessile; bract longer than the recep- 

 tacle and calyx 20. i. nigritanus. 



Corolla-lobes erect, spatliulate ; Hower-buds con- 

 spicuously swollen at the apex. 



Leaves sessile 21. i. emarginaius. 



Leaves petioled. 



Leaves rusty-tomentellous beiicnth. 



Leaves glossy and proniiueiitly reticulate 



above, \-% in. broad . . . . 22. i. nitidulus. 



Leaves dull nbove, reticulation not very 

 evident, \-l\ in. broad. 

 Petiole 2-5 lin. long. 



Corolla lr,-l|- in. long, tomentellous 



with short hairs . . . . 23. i. discolor. 



Corolla 1^ in. long, villous-tomentoae 



with verticillate-branched hairs . 24. Z. polycryptvs. 

 Petiole 7-10 lin. long . . . . 25. i. angolensis. 



