874 



xcn. scrophulariace,e (hemsley and skan). [Buchnera.. 



entire, separating from the placentas. Seeds very many, obovoicl or 

 oblong ; testa reticulate. — Herbs often parasitic and drying black, 

 usually scabrid and rigid. Leaves opposite or sometimes rosulate below,, 

 usually alternate above, simple, entire or toothed, the lower rather 

 broad ; the upper narrower and passing into bracts. Flowers solitary 

 in the axils of bracts, usually sessile, nearly always 2-bracteolate,. 

 crowded or distant in terminal spikes, very rarely solitary in the axils- 

 of the leaves, blue or violet, white, rose or rarely scarlet. — Stellularia, 

 Benth. in Hook. Ic. PI. t. 1318. Benthamistella, 0. Kuntze, Bev. Gen. 

 PI. ii. 458. 



Species about 78, in tlie warmer parts of both hemispheres. 

 * Flowers in dense subglobose ovoid quadrangular or 

 cylindric usually short spikes or heads, which do 

 not elongate, or only slightly, in fruit ; stems 

 erect, 

 f Spikes simple. 



J Bracts all close together. 



Spikes, especially in fruit, distinctly quad- 

 rangular. 

 Leaves lanceolate or oblong, usually 1 in. 

 long or more. 

 Bracteoles present ; corolla-limb 3-3^ lin. 

 in diam. 

 Bracts all entire .... 



Bracts, at least the upper, 3-toothed or 

 -lobed ..... 



Bracteoles absent; corolla-limb lg- lin. 

 in diam. ..... 



Leaves linear or subulate, 2-3+ lin. long . 

 Spikes not distinctly quadrangular. 



§ Spikes short, as broad or nearly as broad 

 as long. 

 Plants rather small and slender, usually 

 with narrow leaves and small 

 spikes. 

 Corolla-limb 4 or 5 lin. in diam. 

 Spikes glabrous except theciliolate 

 bracts .... 



Spikes distinctly hairy 

 Corolla-limb only 2 or 3 lin. in diam. 

 Calyx li lin. long ; teeth ob- 

 scure ; corolla-tube li-lf lin. 



long 



Calyx 3 lin. long; teeth distinct, 



1 lin. long; corolla-tube 



3 lin. long .... 



Plants usually more than 1 ft. high with 



rather broad leaves and large 



spikes. 



Spikes covered with long white 



silky hairs . . . . 9. B. splenclens. 



1. B. lippioides. 



2. B. trilobata. 



3. B. ruicenzoriensis-^ 



4. B. quadrifaria. 



5. B. ciliolata. 



6. B. humilis. 



7. B. angolensis. 



8. B. mimdifiora. 



