402 XCII. SCROPHULARIACEE (HEMSLEY AND SKAN). [ Striga. 
1. S. orobanchoides, Benth. in Hook. Comp. Bot. Mag. i. 361, 
t. 19. A rigid erect parasitic herb 3-18 in. high, usually much branched 
from the base, more or less covered with short hairs or almost glabrous ; 
root tuberous; branches usually stout, angular, erect. Leaves scale- 
like, opposite or alternate, lanceolate, up to about } in. long, acute. 
Spikes terminal, often as long as the branches themselves, usually much 
interrupted, but sometimes rather densely-flowered and scarcely inter- 
rupted; flowers opposite to alternate, sessile; bracts lanceolate to 
broadly lanceolate, about } in. long, 3—1 lin. broad, acuminate, keeled, 
nearly glabrous or more or less pilose and ciliate ; bracteoles linear, 
about 2 lin. long. Calyx 3}-5 lin. long, somewhat scarious, shortly 
hairy or glabrous except the teeth, more or less irregularly 5-toothed, 
5-nerved, splitting very easily between the teeth; teeth lanceolate, 
acuminate, about 1 lin. long, ciliate. Corolla brownish-red, rose, lavender 
to purple, or white; tube 43-6 lin. long, bent and inflated above the 
calyx, glabrous or minutely puberulous; limb 2-lipped; upper hp 
shortly 2-lobed ; lower lip deeply 3-lobed ; lobes ovate, 14-2} lin. long, 
14-24 lin. broad, entire or slightly toothed at the apex, thin. Style 
about 2 lin. long, persistent, Capsule ovoid-oblong, 2}-2} lin. long, 
1-1} lin. broad.— DC. Prodr. x. 501; A. Rich. Tent. Fl. Abyss. ii. 129; 
Klotzsch in Peters, Reise Mossamb. Bot. 228; Schweinf. Beitr. Fi. 
Aethiop. 100; Engl. in Engl. Jahrb. x. 254; Hiern in Cat. Afr. Pl. 
Welw. i. 778, and in Dyer, Fl. Cap. iv. ii. 380; Almagia in Ann. Istit. 
Bot. Roma, viii. 143; Hook. f. Fl. Brit. Ind. iv. 299. 8. gesnerioides, 
Vatke in Vest. Bot. Zeitschr. 1875, 11, and in Linnea, xliii. 310; Engl. 
in Engl. Pfl. Ost-Afr. C. 361, and in Engl. Jahrb. xxx. 400; Engl. & 
Gilg in Baum, Kunene-Samb. Exped. 369; De Wild. & Durand, 
Contrib. F]. Congo, i. fase. 2,46. Sériga orchidea, Hochst. ex Benth. 
in DC. Prodr, x. 501. Buchnera gesnerioides, Willd. Sp. Pl. iil. 338. 
B. orobanchoides, R. Br. in Salt, Abyss. Append. Ixiv., name only. 
Upper Guinea. Senegambia, Heudelot, 540! Lepriewr,6! Senegal, Sieber, 
52! Togo: near Lome, Warnecke, 189! Southern Nigeria: River Quorra (Niger), 
Vogel! 
Wile Land. Nubia: Hor Tamanib, near Suakin, Zord! Suakin, Schwein- 
furth, 176! Eritrea : Aidereso, Schweinfurth § Riva, 1438! near Acrur, Schwein- 
Surth & Riva, 1051! and various localities, Terracciano & Pappi. Abyssima: 
Samen; near Enderder, Schimper, 1340! near Djenda-Dembea, Steudner, 782! 
Upper Sheikh, Thomson! Kordofan, Pfund, 232! Kotschy, 1n! Mount Arashkol, 
Kotschy, 387! White Nile: Wod Schellai, Schweinfurth, 837! Somaliland: Golis 
Range, Mrs. Lort Phillips! Guldoo Hammel, Miss Edith Cole! British East 
Africa: Mombasa Island, Hildebrandt, 2035! between Mombasa and Lamu, Whyte le 
Mombasa to Takaunga, Whyte ! 
Lower Guinea. Lower Congo: Boma, Monteiro! Angola: road to Bembe, 
Monteiro! Loanda, Welwitsch, 5916! Gossweiler, 329! north of Loanda, Goss- 
weiler, 1! Cazengo, Gossweiler, 647! Pungo Andongo, Welwitsch, 5848! Mossa- 
medes, Welwitsch, 5824! by the River Longa, between the Rivers Lazingua and 
Quiriri, Baum, 665 ! German South-west Africa : Olukonda and Oshiheke, Schinz,19! 
35! lat. 23°, Chapman § Baines ! 
Mozamb. Dist. (German East Africa: Amboni, Holst, 2683! Ugogo- 
Hannington! Usaramo; Bagamoyo, Hildebrandt, 1263! Portuguese East Africa + 
Tete, Kirk! British Central Africa: Niomkolo Island in Lake Tanganyika, 
