378 XCII, SCROPHULARIACEE (HEMSLEY AND SKAN). [Buchmnera. 
2. B. trilobata, Skan. Stems erect, 1 ft. high or more, terete or 
slightly bisulcate, simple below, sparingly branched near the apex, 
pubescent with small or minute spreading or deflexed hairs; branches 
rather short, nearly erect. Leaves opposite or subupposite, lanceolate, 
6-10 lin. long, 1-24 lin. broad, narrowed sometimes very slightly at the 
apex and base, apiculate, entire, pubescent on both sides (more sparingly 
on the underside). Spikes terminal or lateral, at first subglobose, after- 
wards narrow and somewhat quadrangular, densely-flowered, up to 1 in. 
long ; lower bracts ovate-lanceolate, 24 lin. long, 1 lin. broad, acuminate, 
rather densely pilose ; upper bracts 2 lin. long, 1 lin. broad, obovate- 
cuneate below, 3-lobed at the apex, the lateral iobes rounded and 
denticulate and the central lobe narrowly triangular and acuminate, 
long-ciliate, partly scarious ; bracteoles lanceolate, 14 lin. long, acumi- 
nate, long-ciliate. Calyx 2-23 lin. long, 4-toothed, 4-nerved, scarious 
between the nerves; teeth subulate-lanceolate, 1-14 lin. long, long- 
ciliate. Corolla white, funnel-shaped, pilose outside; tube 23-34 lin. 
long, 3 lin. broad, distinctly curved about the middle; limb about 34 
lin. in diam.; lobes orbicular to ovate, 1-14 lin. long, 1 lin. broad. 
Anthers scarcely acute, only 4 lin. long. Style % lin. long. Capsule 
oblong-ovoid, 14-12 lin. long. 
Mozamb. Dist. British Central Africa: Nyasaland; Nyika Plateau, 7000 ft., 
MeClounie, 55! and without precise locality, Whyte ! 
3. B. ruwenzoriensis, Shan. An erect annual herb about 1 ft. 
high; stem simple or sparingly branched near the apex, obscurely 
quadrangular, rather densely pubescent, 14 lin. thick near the base ; 
internodes short at the base, 14-4 in. long above. Basal leaves oblong, 
about 1 in. long, 4-6 lin. broad, obtuse, few-toothed, pilose below 
chiefly on the nerves, scabrid above with small white points ; upper 
leaves opposite or subopposite, lanceolate, J—1} in. long, 2-24 lin. broad, 
obtuse or acute, 3-nerved, pubescent and scabrid like the basal leaves, 
entire. Spikes terminal or lateral, quadrangular, }-1} in. long, densely 
flowered ; bracts ovate-lanceolate, 24 lin. long, }—1 lin. broad, acuminate, 
sometimes bifid at the apex, concave, sometimes flattened on the back, 
rather densely pilose ; bracteoles 0. Calyx 24-24 lin. long, densely pilose, 
10-nerved, 5-toothed ; teeth narrowly triangular, acuminate, unequa?; 
4—} lin. long. Corolla blue, pubescent outside on the upper part of the 
tube and on the lobes; tube 2-2} lin. long, scarcely 4 lin. broad, 
curved, cylindric; limb 14 lin. in diam. ; lobes obovate-cuneate, about 
4 lin, long, minutely crenulate at the apex. Anthers acuminate. 
Style nearly 1 lin. long. Capsule oblong-ovoid,2} lin. long, apiculate. 
Wile Land. Uganda: Ruwenzori, hillsides below 7000 ft., Scott-Elliot, 7782! 
Entebbe, Bagshawe, 743! 
4. B. quadrifaria, Baker in Kew Bulletin, 1895, 71. A slender 
erect annual, 1-2 ft. high; stem quadrangular, simple or sparingly 
branched, } lin. thick, sparingly and minutely pubescent, somewhat 
scabrid ; branches nearly erect ; internodes up to 3 in. long. Leaves 
few, minute, opposite or alternate, linear or subulate, 2-34 lin. long, 
