] 



^> 101 



thickened upwards in the upper part and then rathur siuklenly 

 contracted into a narrow neck below the stigma {slcliilv-alia^ed) ; 

 stigma truncate or more or less capitate. Fruil baccate, usually 

 globose, ovoid or ellipsoid, crowned by the persistent calyx. Seed 

 cilbuminous ; embryo straight, terete. 



Green leafy shrubs, parasitic on Dicotyledons, seldom on Coniferse or Mono- 

 cotyledons, often very brittle, even in a living state ; leaves opposite, ternate or 

 alternate, penninervedj or several-nerved from the base ; inllorericcnee (in the 

 African species) a raceme, spike, umbel or head : subtending bract of each flower 

 situated at the apex of the pedicel when the latter is present ; flowers often large 

 and brightly coloured. 



DrsTRiB. Species about 500, all Old World, mostly tropical and subtropical. 



Corolla polypetalons : 



Flowers tetramerous ; petals under | in. long ; 

 Anthers transversely septate : 



Receptacle less than f lin. long; disc hardly dif=- 



tinguishable from the base of the style ... ( 1 ) "Woodii. 



Receptacle 1 lin. long or more ; disc distinct ... ( 2 ) subcylindricus. 



Anthers not transversely septate ... ».. ...(3) garcianus. 



- Flowers pentamerous ; petals li-2^ in. long : 



Style with a double bend shortly above the base ... ((4 ) undulatus. 



Style without a double bend (5) kalachariensis. 



Corolla gamopetalous : 



Filaments not produced into a tooth in front of the 

 anther : 

 Anthers transversely septate : 



Corolla tomcntose outside with verticilJate- 

 branched hairs : calyx equalling the re- 

 ceptacle (6)ovalis. 



Corolla scurfy outside with stellate hairs ; calyx 



much shorter than the receptacle ( 7 ) glaucus. 



Anthers not transversely septate : 

 Corolla-tube not split unilaterally : 

 Corolla-lobes revolute „. (S) elegans. 



Corolla-lobes erect or reflesed ; 



Corolla villous with silky subadpressed hairs ( 9 ) Dregei. 



Corolla glabrous : 



Upper part of filament much thickenedj 



spirally coiled in the expanded flower (10) Wyliei. 



Upper part of filament not thickened : 

 Corolla under IJ in. long; lobes erect, 



cohering (H) quinqnenervis. 



Corolla about 2 J in. long ; lobes re flexed, 



free (12) Galpinii. 



Corolla-tube split unilaterally : 



Umbels terminating leafy short-shoots, which 



are perulate at the base : « i, • 



Pedicels hispid (1^) Zeylien. 



Pedicels glabrous : 



Style skittle-shaped above : 



Bract longer than, or at least equalhng 

 the receptacle and calyx ; disc over- 

 topping the calvx (10 MooreL 



