Striga.} XCII. SCROPHULARIACEX (HEMSLEY AND SKAN). 405 
Lower Guinea. Angola: Pungo Andongo; near Condo, Welwitsch, 5854! 
Huilla; River Monino, Welwitsch, 5822! Kiver Kubango, near Kavanga, 3600 ft.,. 
Baum, 414. 
Mozamb. Dist. British Central Africa: Rhodesia; Manika, Hon. Mrs. 
Hveiyn Cecil, 159! Gwelo, Gardner, 54! Salisbury, Rand, 521, Matabeleland, 
Elliott / Ngamiland; Okavango Valley, 3000 ft., Zugard, 270! 
Also in South Africa, 
Baum, 552, named S. Thunbergii, var. grandiflora, Engl. in Baum, Kunene- 
Samb. Exped. 369, has somewhat larger flowers than the type. It has smaller 
flowers and shorter bracts and calyx than the variety grandiflora, Benth. in DC. 
Prodr..x. 502, 
6. S. Welwitschii, Zngl. in Engl. Jahrb. xxiii. 514, t. 12, figs. 
F—G. An erect herb 5-8 in. high, everywhere densely covered with 
soft grey pubescence, branched from the base ; rootstock erect, bearing 
small scales ; branches about } lin. thick, rather densely leafy. Leaves 
opposite, decussate, closely adpressed to the branches, linear-lanceolate, 
5-6 lin. long, about } lin. broad, entire, thickened and somewhat callose 
at the apex. Spikes slender, densely-flowered, up to 3 in. long; bracts 
like the leaves but somewhat shorter; bracteoles linear, 2 lin. long. 
Calyx 23-3 lin. long, 5-nerved, 5-toothed, scarious between the nerves, 
softly pubescent on the teeth and nerves; teeth narrowly triangular, 
1} lin. long (except the uppermost, which is much smaller). Corolla 
pale lilac, whitish or white, glandular-pubescent outside; tube about 5 
lin. long, narrow below, slightly curved and much inflated above ; upper 
lip obovate, emarginate, 2-24 lin. long, 1} lin. broad ; lobes of the 
lower lip linear, about 5 lin. long and # lin. broad.—Hiern in Cat. Afr. 
Pl. Welw. i. 779. 
Lower Guinea. Angola: Huilla; near Lopollo, Welwitsch, 5820! between 
Lake Ivantala and Quilengues, Welwitsch, 5821! 
7. S. Rowlandii, Engl. in Engl. Jahrb. xxiii. 513, t. 12, figs. 
A—D. An erect herb 8-16 in. high or more, usually drying green, 
branched from the base, hispidly pubescent; stems and branches 
distinctly quadrangular, very narrowly winged at the angles, furrowed, 
leafy. Leaves opposite or subopposite, decussate, linear, up to 3 in. 
long, 3-1? lin. broad, acute or subacute, scabrid. Spikes 4-8 in. long, 
slender; flowers usually in pairs 2~3 lin. apart; bracts lanceolate, 
1}~24 lin. long, acute; bracteoles like the bracts but smaller. Calyx 
3} lin. long, 5-toothed, 5-nerved, white-pubescent; teeth narrowly 
deltoid, about 3 lin. long. Corolla dull lilac or pink, rather densely 
covered outside with slender white hairs; tube 5-7 lin. long, much 
curved and inflated near the apex; upper lip obovate or oblong, 
emarginate, 1}-1} lin. long, about 1 lin. broad; lobes of the lower lip 
oblong, nearly 1 lin. long, scarcely } lin. broad. Capsule elliptic to 
obovoid, 14 lin. long, 1-1} lin. broad. 
Upper Guinea. Sierra Leone: Falaba, Scott-Elliot, 5207! Gold Coasts 
Afram Plains, Johnson, 709! Western Lagos, Rowland / Northern Nigeria: Nupe, 
Barter, 1169! 
Parasitic on the roots of grasses.— Barter. 
