﻿Gerardiina.] sCR0PHtrLAEiACEJ5 (fliern). 379 



nearly glabrous, xV~¥ ^^' ^^ng ; style about equalling or exceeding 

 the longer pair of filaments, about ^-^ in. long ; stigma not much 

 thickened ; capsule ovoid, -|-|- in. long. Hiern, Gat. Afr. PI. Welio. 

 i. 770. Gerardia sp., Kutitze, Rev. Gen. PI. iii. ii. 232. 



Kalahari Region : Transvaal ; Houtbosch Mountains, 6000 ft., Rehmann, 

 5995 ! Schlechter, 4421 ! Spitzkop, Wilms, 1094 ! 



Also in Tropical Africa. 



XXXVII. STRIGA, Lour. 



Calyx tubular; tube cylindrical, narrow, 5-15-ribbed, 5-cleft or 

 -dentate ; lobes or teeth lanceolate or subulate, erect, somewhat 

 unequal. Corolla tubular ; tube narrow, subcylindrical, strongly 

 curved about or above the middle ; limb spreading, bilabiate ; lobes 

 obovate; posterior lip interior, entire, emarginate or bifid, usually 

 shorter than the trifid anterior lip. Stamens 4, didynamous, 

 included in the corolla-tube; filaments filiform, short, inserted 

 about or below the middle of the corolla-tube ; anthers 1 -celled, 

 lanceolate, acute or mucronate at the apex, blunt at the base, ver- 

 tical, dorsifixed. Ovain/ 2-celled; ovules numerous; style short, 

 thickened or club-shaped at the stigmatic apex. Capsule oval- 

 oblong, loculicidal, shorter than the persistent calyx; valves 

 coriaceous, entire. Seeds numerous, obovoid or oblong; testa 

 reticulate, subadpressed. 



Herbs, parasitical or half -parasitical, often strict and sometimes drying black ; 

 leaves opposite or the upper alternate, narrow, usually entire or minutely denticu- 

 late, sessile or subsessile, sometimes all scale-like, the floral similar and gradually 

 smaller; flowers solitary in the axils of the upper leaves or bracts, sessile or 

 subsessile, spicate, bibracteolate, small or of moderate size. 



DiSTBiB. Species about 30, distributed over the hotter parts of Africa, Asia, 

 and Australia. 



Calyx 5-ribbed : 



Dusky when dry, puberulous or nearly gla- 



brous : leaves all scale-like (1) orobanchoides. 



Grey -green when dry, scabrid, hispid ; leaves ». u ji 



foliaceous ... ''"^ ° 



Calyx 10- or 11-ribbed : 



Leaves quite entire or minutely denticulate : 

 Calyx-tube -J-J in. long : 



Hispid-scabrid ; spikes not very 

 slender; corolla-tube glandular- 

 puberulous outside; upper lip not „,„„„, 



much shorter than the lower ... {-^ eiegans. 

 Hispidulous-scabrid ; spikes very 

 slender, ; corolla-tube minutely 

 glandular- puberulous outside; up- 

 |er lip much shorter than the lower (4) hltea. ,^ 



Calyx-tube | in. long ^^^ Forbesii. 



Leaves unequally dentate ••• •• •" ^ ' 



