Buchnera.] XC1l. SCROPHULARIACEH (HEMSLEY AND SKAN). 389 
the sessile or subsessile base, entire or obsoletely denticulate, mem- 
branous, scabrid, 3-nerved. Spikes terminal, sessile, compound at the 
base, semi-ellipsoid, many-flowered, 6-8 lin. long, forming a corymb ; 
flowers whitish, 3—4 lin. long, sessile or subsessile ; bracts about as long 
as the calyx, oblong or ovate, glabrous inside, ciliate, somewhat hispid 
on the back ; bracteoles about as long as the bracts but narrower, ciliate. 
Calyx 23-3 lin. long, ribbed or angled, ciliate on some of the ribs or 
angles, shortly 5-toothed; teeth lanceolate or ovate-lanceolate, ciliate, 
somewhat unequal. Corolla-tube rather slender, as long as the calyx, 
straight or somewhat curved near the apex; limb rather small. 
Anthers acute. Style 3 lin. long. Capsule 2 lin. long. 
Lower Guinea. Angola: Pungo Andongo; in the forest between Cazella 
and Zambe, Welwitsch, 5850! 
31. B. foliosa, Skan. A robust erect herb 9 in. high or more; 
stem simple below, corymbosely branched above, obscurely quadrangular, 
slightly bisuJeate, about 14 lin. thick, more than usually leafy for the 
genus, glabrescent in places, more or less covered here and there with 
rather long hispid grey somewhat adpressed hairs ; branches opposite, 
3-8} in. long, the lowermost longest, erect-spreading. Leaves opposite, 
oblong below to lanceolate above, 1}~23 in. long, 3—9 lin. broad, acute, 
much narrowed at the base, entire or remotely toothed, 3-nerved, 
Sparsely pubescent, the hairs often very short and stiff. Spikes ter- 
minal, corymbosely arranged, ovoid, 8-10 lin. long, about 7 lin. broad, 
densely-flowered, compound at the base; lowermost bracts leaf-like, 
lanceolate, up to 1 in. long; upper bracts ovate-elliptic, 3-3} lin. long, 
1} lin. broad, acute or acuminate, rounded or flattened on the back, 
sometimes sharply keeled at the apex, prominently 3-ribbed, pubescent ; 
bracteoles lanceolate, 24 lin. long, keeled, pubescent. Calyx 3~34 lin. 
long, somewhat quadrangular, 4-toothed, rather deeply slit down on the 
upper and lower sides, hispidly hairy ; teeth about } lin. long, narrowly 
deltoid, acute. Corolla-tube 34 lin. long, narrow, cylindric, straight, 
Sparingly pubescent outside ; loves obovate or obovate-cuneate, about 1 
lin. long and broad. Anthersacute. Style 4 lin. long. Capsule ovoid, 
23-3 lin. long, apiculate. 
Mozamb. Dist. British Central Africa: Nyasaland ; Tanganyika Plateau, at 
Fort Hill, 3500-4000 ft., Whyte! 
32. B. nitida, Skan. An erect annual herb about 6 in. high ; 
stem simple, terete, rather woody, about # lin. thick, bifariously puberu- 
lous, leatless below, sparingly leafy above. Leaves opposite, sessile, 
linear-lanceolate, 6-8 lin. long, 1-1} lin. broad, acute, glabrous, smooth, 
shining, somewhat coriaceous. Flowers sessile in a shortly branched 
flattened terminal head about 1 in. broad ; bracts ovate or elliptic to 
oblong-lanceolate, 241-3} lin. long, 14 lin. broad, acute or acuminate, 
somewhat concave, glabrous ; bracteoles 2} lin. long, linear-lanceolate, 
glabrous, Calyx 4 lin. long, deeply slit in the median plane into 2-toothed 
halves ; teeth narrowly ovate, acuminate, }-% lin. long. Corolla-tube 
44} lin. long, glabrous outside, with thick stiff hairs inside; lobes 
