452 xcn. scrophulariacEjE (hemsley and skan). [Sopubia. 



773, partly, not of Hochst. S. decumbens, Hiern I.e. i. 772, partly. 

 Gerardia dreyeana, Hochst. in Flora, 1842, 240. S. trifida, forma 

 himiilis, Engl, in Baum, Kunene-Samb. Expect. 3G5. Gerdaria dregeana r 

 Presl, Bot. Bemerk. 91. 



lower Guinea. Angola: Pungo Andongo; Cabinda, in Mata Lttcala, 

 Welwitsch, 5852! Huilla ; near Lopollo, Welwitsch, 5839 partly! Amboella; 

 River Kuelleis, 4600 ft., Baum, 233 ! 



XVXozamb. Dist. British Central Africa : Rhodesia; Leshumo Valley, Solub, 

 774 ! 775 ! 782 ! Mashonaland ; near Umtali, Hon. Mrs. Evelyn Cecil, 234 !' 

 Ngamiland : Okavango Valley, 3000 ft., Lugard, 272 ! 



Also in South Africa. 



Var. tenuifolia, Engl. & Gilg in Baum, Kunene-Samb. Exped. 365. Leaves fili- 

 form, up to It, in. long. 



lower Guinea. Angola: Amboella; by the River Habungu, 3600 ft., Baum,. 

 475! 



The plant referred to in several works on the flora of Tropical Africa as S. 

 dregeana is almost certainly in some cases S. simplex, the two species having been 

 tonsidered synonymous (see note under S. simplex). Only references to specimens- 

 ivhich we have seen are given. 



12. S. parviflora, Engl, in Engl. Jahrb. xviii. 65. An erect 

 slender annual herb 1-lf ft. high; stern somewhat quadrangular, freely 

 branched, glabrescent or sparingly and hilariously pubescent; branches- 

 very slender, erect-spreading, hilariously pubescent or glabrescent. 

 Leaves opposite, narrowly linear or filiform, 4-10 lin. long, revolute on 

 the margin, scabrid chiefly on the margin. Flowers very numerous in 

 terminal loose racemes, mostly opposite. Pedicels very slender, 2J-4 

 lin. long; bracteoles narrowly linear, 1-1|- lin. long. Calyx 1^-H lin. 

 long ; tube glabrous or sparingly and shortly pubescent outside ; teeth 

 deltoid or narrowly deltoid, \ lin. to nearly 1 lin. long, acute or some- 

 what obtuse, pilose on the margin and sometimes inside. Corolla about 

 3| lin. long and 4-4+ lin. in cliam., pale brownish, with a purple ring atr 

 the throat ; lobes broadly obovate, Perfect anther- cell ellipsoid, about 

 1 lin. long. Style 3 lin. long. Capsule subglobose, 1-1 \ lin. long andi 

 broad. — Hiern in Cat. Afr. PI. Welw. i. 772. 



Wile Land. Jur : Jur Ghattas, Sehiueinfurth, 2301 ! 



lower Guinea. Angola: Pungo Andongo ; Sansamanda on the River Cuanza,. 

 Welwitsch, 5860 ! Lombe, Welwitsch, 5861 ! 



13. S. argentea, Hiern in Cat. Afr. PI. Welw. i. 774. An under- 

 shrub 9-18 in. high ; rootstock perennial, woody, with long wiry roots ; 

 stems several, erect or ascending, simple or branched chiefly near the 

 base, woody and glabrescent below, herbaceous and whitish silky- 

 tomentose above, leafy. Leaves usually in whorls of 4 on the stem and 

 alternate on the branches, sessile, lanceolate or elliptic-linear, \-\ \ in. 

 long, 1-2 lin. broad, entire, acute, narrowed at the base, densely white 

 silky-tomentose on both sides. Flowers axillary, very numerous. 

 Peduncles 1-4 lin. long ; bracteoles linear, 2-2+ lin. long. Calyx 2-J-2| 

 lin. long, tomentose like the leaves outside and also on the inside of the 

 teeth, glabrous inside the tube; teeth deltoid, nearly 1 lin. long, acute.. 



