452 XCII. SCROPHULARIACEH (HEMSLEY AND SKAN). [ Sopubica.. 
773, partly, not of Hochst. S. decumbens, Hiern l.c. i. 772, partly. 
Gerardia dregeana, Hochst. in Flora, 1842, 240. WS. trifida, forma 
humilis, Eng). in Baum, Kunene-Samb. Exped. 365. Gerdaria dregeand,. 
Pres], Bot. Bemerk. 91. 
Lower Guinea. Angola: Pungo Andongo; Cabinda, in Mata Tuceala, 
Welwitsch, 5852! Huilla ; near Lopollo, Welwitsch, 5839 partly! Amboella; 
River Kuelleis, 4600 ft., Baum, 233! 
Mozamb. Dist. British Central Africa: Rhodesia; Leshumo Valley, Holub, 
774! 775! 782! Mashonaland; near Umtali, Hon. Mrs. Evelyn Cecil, 234! 
Ngamiland : Okavango Valley, 3000 ft., Legard, 272! 
Also in South Africa. 
Var. teanifolia, Engl. & Gilg in Baum, Kunene-Samb. Exped. 365. Leaves fili- 
form, up to 13 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 
which we have seen are given. 
12. S. parviflora, Engl. in Engl. Jahrb. xviii. 65. An erect 
slender annual herb 1-1? ft. high; stem somewhat quadrangular, freely 
branched, glabrescent or sparingly and bifariously pubescent ; branches- 
very slender, erect-spreading, bifariously pubescent or glabrescent. 
Leaves opposite, narrowly linear or filiform, t—-10 lin. long, revolute on 
the margin, scabrid chiefly on the margin. Flowers very numerous in 
terminal loose racemes, mostly opposite. Pedicels very slender, 23-4 
lin. long; bracteoles narrowly linear, 1-1} lin. long. Calyx 14-1 lin. 
long ; tube glabrous or sparingly and shortly pubescent outside; teeth 
deltoid or narrowly deltoid, 4 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 diam., pale brownish, witha purple ring at 
the throat ; lobes broadly obovate, Perfect anther-cell ellipsoid, about 
I lin. long. Style 3 lin. long. Capsule subglobose, 1-1} lin. long and! 
broad.—Hiern in Cat. Afr. Pl. Welw. i. 772. 
Nile Land. Jur: Jur Ghattas, Schweinfurth, 2301 ! 
Lower Guinea. Angola: Pungo Andongo ; Sansamanda on the River Cuanza, 
Welwitsch, 5860! Lombe, Welwitsch, 5861! 
13. S. argentea, Hiern in Cat. Afr. Pl. 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, }-14 in. 
long, 1-2 lin. broad, entire, acute, narrowed at the base, densely white 
silky-tomentose on both sides. Flowers axillary, very mele 
Peduncies 1-4 lin. long; bracteoles linear, 2-24 lin. long. © Calyx 24-25 
lin. long, tomentose like the leaves outside and also on the inside of the 
teeth, glabrous inside the tube 3 teeth deltoid, nearly 1 lin. long, acute- 
