400 



XCII. SCROPHULARIACEJ3 (HEMSLEY AND SKAN). 



[Striga. 



1. S. or ohanclioides . 



2. S. aspera. 



S. brachy calyx. 

 S. micrantha. 



black, usually scabrid. Leaves opposite below, alternate above, often 

 linear and entire, rarely toothed, sometimes all reduced to scales. 

 Flowers solitary in the axils of the upper leaves or bracts, usually 

 forming a terminal spike, sessile, 2-bracteolate, small or rather large, 

 often purple, red, orange-red or white. — Camjmleia, Thouars, Gen. Nov. 

 Madag. 7. 



Species about 34, in the warmer parts of Africa, Asia and Australia. 

 * Calyx 5-ribbed. 



f Corolla-tube curved about the middle. 



Spikes rather loosely flowered; corolla almost 

 glabrous outside. 

 Stems usually stout, with small broad scale- 

 like leaves ...... 



Stems slender, with distinct linear leaves. 

 Corolla 6 lin. long or more. 



Calyx 3 lin. long; corolla-limb 7-8 lin. 

 in diam. ..... 



Calyx 1-J-lf- lin. long ; corolla-limb 3^- 

 5 lin. in diam. .... 



Corolla scarcely 3 I'm. long 

 Spikes usually very densely flowered ; corolla 

 very hairy outside. 

 + Leaves closely adpressed to the stem, usually 

 less than 9 lin. long. 

 Leaves 2-5 lin. long, usually subulate, in 

 distant pairs ; spikes very slender ; 

 bracts not closely imbricate. 

 Lower lip of corolla 2-|— 4 lin. 



lobes lj- lj lin. long 

 Lower lip of corolla 1|— l : f- lin. 

 lobes about 1 lin. long . 

 Leaves 3-15 lin. long, -J-l-J lin. broad, 

 mostly in close pairs ; spikes stouter ; 

 bracts often closely imbricate. 

 Plant blackish when dry ; leaves and 

 bracts more or less covered with 

 scabrid points or sometimes nearly 

 glabrous except on the stiffly ciliate 

 margins ..... 



Plant greenish when dry; leaves and 

 bracts evenly and densely covered 

 with rather soft greyish hairs 

 XX Leaves spreading, usually more than 9 I'm. 

 long. 

 Plant up to 16 in. bigh; stems distinctly 

 quadrangular and narrowly winged ; 

 leaves up to 3 lin. long . 

 Plant up to 8 in. bigh; stems not dis- 

 tinctly quadrangular nor winged ; 

 leaves up to 1^ in. long. 

 Corolla-tube only slightly inflated at 

 the throat; calyx-teeth subulate, 

 H-H lin. long . . . . 8. S. Barteri. 



Ions 



Ions 



10. S. canescens. 



11. S. strictissima. 



5. S. Thunberrjii. 



6. S. Welwitscliii. 



7. 8. Rowlanclii. 





