378 xcn. scrophulariace,£ (hemsley and skan). [Buchnera. 



2. B. trilobata, Shan. 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 subopposite, lanceolate, 

 6-10 lin. long, 1-2^ 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 denselv pilose ; upper bracts 2 lin. long, 1 lin. broad, obovate- 

 cuneate below, 3-lobed at the apex, the lateral lobes rounded and 

 denticulate and the central lobe narrowly triangular and acuminate, 

 long-ciliate, partly scarious ; bracteoles lanceolate, 1-J- lin. long, acumi- 

 nate, long-ciliate. Calyx 2-2% 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 2|— 3A lin. 

 long, § lin. broad, distinctly curved about the middle; limb about 3i- 

 lin. in diam. ; lobes orbicular to ovate, 1-1 J lin. long, 1 lin. broad. 

 Anthers scarcely acute, only I lin. long. Style £ lin. long. Capsule 

 oblong-ovoid, H- If- lin. long. 



XVXozamb. Dist. British Central Africa : Nyasaland ; Nyika Plateau, 7000 ft., 

 Mc Clou nie, oo ! 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, 1J 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, 1-lf in. long, 2— 2-i- lin. broad, 

 obtuse or acute, 3-nerved, pubescent and scabrid like the basal leaves, 

 entire. Spikes terminal or lateral, quadrangular, £—14; in. long, densely 

 flowered : bracts ovate-lanceolate, 2 J lin. long, |— 1 lin. broad, acuminate, 

 sometimes bifid at the apex, concave, sometimes flattened on the back, 

 rather denselv pilose ; bracteoles 0. Calyx 2^-2^ lin. long, densely pilose, 

 10-nerved, 5-toothed ; teeth narrowly triangular, acuminate, unequal, 

 ^— | lin. long. Corolla blue, pubescent outside on the upper part of the 

 tube and on the lobes ; tube 2-24; lin. long, scarcely i lin. broad, 

 curved, cylindric ; limb 1J lin. in diam. ; lobes obovate-cuneate, about 

 \ lin. long, minutely crenulate at the apex. Anther-s acuminate. 

 Style nearly 1 lin. long. Capsule oblong-ovoid, 2\ lin. long, apiculate. 



Mile Land. Uganda : Ruwenzori, hillsides below 7000 ft., Scott-Elliot, 7782 ! 

 Entebbe, Bagshaioe, 743 ! 



4. B. quadrifaria, Baker in Keiv 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, 2-3^ lin. long, 



