Buchnera.] XCIl, SCROPHULARIACEH (HEMSLEY AND SKAN). 385 
internodes 74-10 lin. long. Leaves linear-lanceolate, 13-2 in. long, 
13-2 lin. broad, acute, entire, rather thick, l-nerved. Flowers in a 
dense spike, 1}~-2 in. long ; bracts ovate-lanceolate, 2-24 lin. long, 1-14 
lin. broad, glabrous except on the ciliate margin; bracteoles linear- 
lanceolate, 14-1} liu. long. Calyx 1$-1? lin. long; teeth elongate- 
triangular, twice shorter than the tube. Corolla-tube 34-4 lin. long, 
narrowly cylindric, slightly curved ; lobes obovate-oblong, about 1} lin. 
long. Capsule ovoid, 14 lin. long. 
Lower Guinea. Angola: Huilla, Antunes. River Palanca, Newton, 190, 
Var. andongensis, Engl. in Engl. Jahrb. xxiii. 512. Leaves sparsely white 
pilose, especially on the margin and nerves. Calyx-teeth distinctly ciliate. Corolla- 
tube rather densely pilose.—Hiern in Cat. Afr. Pl. Welw. i. 776. 
Lower Guinea. Angola: Pungo Andongo; on the highest mountains of the 
Presidium, Welwitsch, 5882 ! 
20. B. latibracteata, Skan. Apparently a tall erect annual herb; 
stem (upper part alone seen) slender, branched, sparingly and minutely 
pilose ; branches alternate or subopposite, arcuate, slender, terete, about 
J in. long, scantily leafy; internodes 23-4 lin. long. Upper leaves 
narrowly linear, up to 2} in. long, acute, scabrid, sometimes densely 
covered with scabrid white points. Flowers in slender cylindric ter- 
minal spikes 1-4 in. long on peduncles 13-6 in. long; bracts broadly 
ovate to suborbicular, about 1 lin. long and nearly 1 lin. broad, abruptly 
and shortly acuminate, pilose, thick, slightly concave ; bracteoles lanceo- 
late, ? lin. long, concave, pilose. Calyx 2} lin. long, pilose ; teeth subu- 
late to narrowly deltoid, 3-} lin. long. Corolla blue; tube 4 lin. long, 
cylindric, slightly curved, pilose outside and at the throat inside ; lobes 
obovate, 2}-23 lin. long, 1}-1} Jin. broad. Anthers acuminate. Style 
1} lin. long. Capsule oblong, 2} lin. long, bisulcate, apiculate.— 
B. Welwitschii, Engl. in Engl. Jahrb. xviii. 70, partly ; Hiern in Cat. 
Afr. Pl. Welw. i. 776, partly. 
Lower Guinea. Angola: Pungo Andongo; near Lombe and Condo, Wel- 
witsch, 5847! Calunda Mangue, Welwitsch, 5859 ! 
21. B. crassifolia, Engl. in Engl. Jahrb. xxx. 403. Rhizome 
short, thick, subtuberous. Stems 1 or 2, simple or branched from the 
base, 1-1} ft. long, somewhat densely leafy, minutely and bifariously 
pubescent ; internodes 1}-J} in. long. Basal leaves oblong, 1} in. long, 
5 lin. broad, 3-nerved ; cauline leaves alternate, somewhat fleshy, linear 
to linear-lanceolate, }-1} in. long, }-1} Jin. broad, acute or obtuse, 
narrowed at the base, entire, glabrous. Spikes solitary or more often 
ternate, 3-1} in. long, on peduncles 10 lin. long, rather loose; lateral 
spikes smaller than the terminal ; bracts lanceolate from a broad base, 
3-5 lin. long, 1-14 lin. broad, ciliate ; bracteoles linear or linear-lanceo- 
late, acute, a little shorter than the bracts. Calyx 3-4} lin, long, 
4-toothed, sparingly and minutely pubescent, somewhat scarious ; teeth 
elongate-triangular, 3-12 lin. long. Corolla bright blue, white at the 
throat, densely and shortly white-pilose ; tube 5-6 lin. long, 4 lin. 
broad, straight, cylindric except at the somewhat funnel-shaped throat ; 
° 
VOL. IV.—SEC. 2 2c 
