Buchnera.] XC, SCROPHULARIACEH (HEMSLEY AND SKAN). 377 
Plant 1-23 ft. high; bracteoles 
present; calyx 23~44 lin. long. 
All the leaves lanceolate; bracts 
3-5 lin. long, distinetly 
opposite. : . . 39. B. Lastit. 
Lower leaves oblong; bracts 14— 
24 lin. long, subopposite or 
alternate : : . 43, B, leptostachya, 
Corolla-tube 8 lin. long; lobes 5 lin. 
long and broad . : . . 44, B. speciosa. 
tf Spikes distinctly hairy. 
{ Corolla-limb 5-7 lin. in diam. 
Leaves linear or _linear-lanceolate, 
usually 1 in. long or more. 
Corolla-tube curved, gradually 
widened towards the apex . 45. B. longespicata. 
Corolla-tube straight, cylindric. 
Plant not or very sparingly 
branched, 14-13 ft. high . 46. B. pallescens. 
Plant much branched, dwarf or 
yarely more than 1 ft. high . 47. B. Henriquesii. 
Leaves oblong-spathulate, 34-5 lin. 
long . é . . . . 48. B. multicaulis. 
tt Corolla-limb 3~4 lin. in diam. 
beh 
Plant rather slender, up to 1} ft. high, 
sparingly — branched ; spikes 
usually under 6 in, long : flowers 
not very numerous. 49. B. hispida. 
Plant robust up to 23 ft. high, much 
branched ; spikes up to 1 ft. long 
or more ; flowers very numerous . 50. B. longifolia. 
5 
¥ke 1. B. prorepens. 
lowers axillary, solitary ; stems prostrate . 
1. B. lippioides, Vatke in Engl. Jahrb. xviii. 68, in key, t. 3, figs. 
0, P. An erect pubescent hispid annual herb, 1$-3 ft. high; stem 
Sumple or branched at the apex, 13-2} lin. thick at the base, leafy; 
internodes 3-2} in. long. Leaves opposite, narrowly oblong, the lower 
2 in. long, 44-74 lin. broad, decreasing in size on the upper part of the 
stem, obtuse, 3-nerved, somewhat narrowed at the base. Flowers in 
terminal and axillary quadrangular spikes, 3-1} in. long; bracts ovate 
to ovate-orbicular, 34-4 lin. long, 3 lin. broad, acute, pilose on the 
under side, concave, ciliate; bracteoles similar but much narrower. 
Calyx cylindric, 4-4} lin. long, pilose on the nerves; teeth semi-ovate, 
3} lin. long, rather thickened, mucronate. Corolla dark blue; tube 
»-04 lin, long, very slightly curved, somewhat wider at the top, very 
Sparingly and minutely glandular-pubescent outside, shortly pilose 
Inside; lobes suborbicular-obovate, 2}-3 lin. in diam.—Engl. & Gilg 
in Baum, Kunene-Samb. Exped. 368. 2B. trinervia, Engl. in Engl. 
Jahrb, xxiii. 512; Hiern in Cat. Afr. Pl. Welw. i. 777. 
Lower Guinea. Angola: Pungo Andongo, Welwitsch, 5883! between 
Luxillo and Cazella, Welwitsch, 5885! Near Manonge on the Kuebe River 
4400 ft., Baum, 849! 
