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SCROPHULAEIACE^ (Hiem) 



[Maiiulea. 



eleft, imbricate in bud, nearly equal or the two posterior shorter, 

 the posterior exterior in the bud. Stamens didynamous, inserted on 

 the throat or upper half of the corolla -tube, glabrous; filaments fili- 

 form, short; anthers by confluence 1 -celled ; upper pair reniform, 

 included or shortly exserted, fertile or barren ; lower pair oblong or 

 reniform, included, fertile. Ovary 2-celled ; style filiform, included 

 or shortly exserted ; stigma narrowly subclavate, entire, obtuse ; 

 ovules numerous. Capsule septicidal, valves bifid at the apex ; seeds 

 numerous, rugose, not winged. 



Annual or pereunial herbs, rarely nnJershrubs, nearly glabrous or more or 

 less pubescent or tomentose ; leaves sometimes all radical and rosulate, sometimes 

 also canline and opposite or the uppermost alternate, entire or dentate, the floral 

 smaller or bract-like ; inflorescence simply racemose or spicate or oftener com- 

 pound, thyrsoid or paniculate, terminal ; flowers numerous or several, usually 

 not turning black in drying ; calyx ebracteate or with small free bracts at the 

 base. 



DiSTEiB. Species 35, of which 2 are Tropical African. 



The technical distinction between this genus and Sutera is very uncertain ; the 

 two genera are united by 0. Kuntze in Rev. Gen. PI. HI. ii. 235 under the 

 common name oi Manulea, Linn. Manulea intertexta. Herb. Banks, ex Benth. 

 in Hook. Comp. Bot. Mag. i. 372, is Selago decumbens, Thunb. 



* Flowers racemose, spicate or at first subcapitate : 



I Corolla-lobes obovate, oblong, oval or rotund, 

 obtuse : 



Calyx bilabiate-bipartite ; upper lip bifid ; 



lower Up trifid 

 Calyx deeply 5-lobed, not bilabiate : 



:|." Inflorescence hispidulous, puberulous or 

 nearly glabrous : 



Leaves all or mostly radical and 

 rosulate : 



Pedicels elongating in fruit 

 Pedicels very short, not much 

 elongating in fruit : 



Corolla-tube A-i in. long, 

 about half as long again as 

 the calyx ... 

 Corolla-tube ^-^ in. long, 

 about twice as long as 

 the calyx : 



Corolla -throat papillose- 

 pubescent ; anthers all 

 included 

 Corolla-throat naked ; 

 smaller pair of anthers 

 exserted or nearly 



Leaves eauline as well as radical : 



Corolla-lobes entire or nearly 

 so: 



Flowers about J in. long ; 

 pedicels ranging up to ^ 

 or I in. long 

 Flowers about J in. long ; 

 pedicels -J^ in. long or 

 less 



(1) nervosa. 



(2) silenoides. 



(3) fragrans. 



(4) benthamiana. 



(5) bellidifolia. 



(6) arabidea. 



(7) Burchellii. 



