Buchnera.] xcn. scropiiulariace.e (hemsley and skan). 389 1 



the sessile or subsessile base, entire or obsoletely denticulate, mem- 

 branous, scabricl, 3-nerved. Spikes terminal, sessile, compound at the 

 base, semi-ellipsoid, many-flowered, (5-8 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 2£-3 lin. long, ribbed or angled, ciliate on some of the ribs of 

 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 f- lin. long. Capsule 2 lin. long. 



Lower Guinea. Angola : Pungo Amlongo ; in the forest between Cazella 

 and Zauibe, Welwitsch, 5850 ! 



31. B. foliosa, Skan. A robust erect herb 9 in. high or more; 

 stem simple below, corymbosely branched above, obscurely quadrangular, 

 slightly bisulcate, about 1£ 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 aclpressed hairs ; branches opposite, 

 \- 3|- in. long, the lowermost longest, erect-spreading. Leaves opposite, 

 oblong below to lanceolate above, 1J- 2f in. long, 3-D 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, 

 \\ lin. broad, acute or acuminate, rounded or flattened on the back, 

 sometimes sharply keeled at the apex, prominently 3-ribbed, pubescent ; 

 bracteoles lanceolate, ~i\ lin. long, keeled, pubescent. Calyx 3-3J lin. 

 long, somewhat quadrangular, 4-toothed, rather deeply slit down on the 

 upper and lower sides, hispidly hairy ; teeth about f lin. long, narrowly 

 deltoid, acute. Corolla-tube 3 \ lin. long, narrow, cylindric, straight, 

 sparingly pubescent outside ; lodes obovate or obovate-cuneate, about 1 

 lin. long and broad. Anthers acute. Style | lin. long. Capsule ovoid, 

 2-|— 3 lin. long, apiculate. 



Mozamb. Dist. British Central Africa : Nyasaland ; Tanganyika Plateau, at 

 Foro Hill, 35UO-4000 ft., Whyte ! 



32. B. nitida, Skan. An erect annual herb about 6 in. high ; 

 stem simple, terete, rather woody, about -j lin. thick, hilariously puberu- 

 lous, leafless below, sparingly leafy above. Leaves opposite, sessile, 

 linear-lanceolate, 6-8 lin. long, 1-1 J 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, 2^-3^ lin. long, Ig- lin. broad, acute or acuminate, 

 somewhat concave, glabrous ; bracteoles 2 J lin. long, linear-lanceolate^ 

 glabrous. Calyx 4 lin. long, deeply slit in the median plane into 2-toothecl 

 halves ; teeth narrowly ovate, acuminate, J-f lin. long. Corolla-tube 

 4-4J lin. long, glabrous outside, with thick stiff hairs inside ; lobes 



