406 xcn. scrophulariace^e (hemsley and skan). [Striga. 



8. S. Barteri, Engl in Engl Jahrb. xxiii. 514, t. 12, jig. E. An 

 erect parasitic densely and finely pubescent herb, 6-8 in. high, with a 

 perpendicular scale- bearing rhizome ; stem freely branched or some- 

 times simple, about § lin. thick, slightly sulcate. Leaves opposite or 

 alternate, linear to linear-lanceolate, 5-10 lin. long, |— 1 lin. broad, 

 entire, subacute, scabrid. Spikes up to 5£ in. long, those terminating the 

 stems much longer than those terminating the branches ; flowers usually 

 in pairs about 2 lin. apart ; bracts linear or sometimes lanceolate, \ in. 

 long below, about |— 1 in. long above, finely pubescent, thick ; bracteoles 

 similar to the bracts but somewhat shorter. Calyx 4-4J lin. long, 

 rather densely and finely pubescent, 5-nerved (the uppermost nerve 

 much thinner than the others), 5-toothed, scarious between the nerves ; 

 teeth subulate, 1J-1J lin. long (except the uppermost which is much 

 smaller and sometimes minute), thick, acute. Corolla lilac or white ; 

 tube about J in. long, rather densely glandular-pubescent above, much 

 inflated and sharply curved about \% lin. from the apex ; upper lip about 

 1 lin. long and f- lin. broad, emarginate ; lobes of the lower lip porrect, 

 linear-oblong, scarcely f lin. long and \ lin. broad. Style 2 lin. long. 

 Capsule oblong, 2 lin. long, £■ lin. broad, apiculate. 



Upper Guinea. Northern Nigeria : Nupe, on stony hills, Barter, 1170 ! 

 Parasitic on the roots of grasses. — Barter. 



9. S. glandulifera, Engl in Engl. Jahrb. xxiii. 511, t. 12, figs. 

 H — /, A much- branched erect herb, 6-8 in. high, everywhere shortly 

 and finely pilose, very scabrid, leafy ; stems and branches slender. 

 Leaves opposite and subopposite, narrowly linear, up to 1|- in. long and 

 £• lin. broad, acuminate. Spikes terminal, up to 4 in. long, with the 

 flowers usually in pairs 2-3 lin. apart ; bracts lanceolate, 2^ lin. long, 

 acuminate, densely pubescent ; bracteoles similar to the bracts but 

 shorter and narrower. Calvx 3J lin. long, 5-nerved, 5-toothed (the 

 uppermost nerve very faint and the uppermost tooth minute), densely 

 pubescent ; teeth narrowly deltoid, about 1 lin. long, acute. Corolla 

 deep rose ; tube about £ in. long, slightly curved and much inflated 

 near the apex, densely glandular-pubescent above ; upper lip 1 J- 2 J lin. 

 long, 14— 2 lin. broad, very slightly emarginate; lobes of the lower lip 

 porrect, oblong, 1J lin. long, f- lin. broad. Style 3 lin. long. Capsule 

 oblong, If lin. long, f lin. thick. 



Wile Iiand. Nianmiam : Mbala Ngia Mountains, Schiveivfurth, 2931 ! 



10. S. canescens, Engl Pfl. Ost-Afr. C. 361. An erect very rigid 

 annual herb, 10-15 in. high, densely covered with short fine hispid 

 closely adpressed hairs ; stem simple or branched, quadrangular. 

 Leaves small, in distant pairs, linear-subulate or lanceolate-subulate, 

 2—5 lin. long, acute or acuminate, closely adpressed. Spikes terminal, 

 slender, up to 4 in. long ; flowers mostly in pairs 1J- 2 J lin. apart ; 

 ■bracts similar to the leaves, hispidly ciliate and covered with adpressed 

 'hairs; bracteoles subulate, 1 \ lin. long. Calyx 2f- lin. long, scarious, 



5-nerved, 5-toothed (the upper nerve very faint and the upper tooth 

 much smaller than the rest), adpressed-pilose chiefly on the nerves and 



