390 XCII. SCROPHULARIACEE (HEMSLEY AND SKAN). [Buchnera. 
obovate, 13-3 lin. long, 14-24 lin. broad. Anthers acute. Style 1} lin. 
long. 
Mozamb. Dist. British Central Africa: Nyasaland; McClounie, 128, 
partly ! 
33. B. nigricans, Skan. An erect rather rigid annual branched 
herb about 1ft. high, drying black, shortly and hispidly pubescent. 
Leaves subsessile, opposite, linear-lanceolate, up to 1} in. long and 2 lin. 
broad, acute, entire, hispidly pubescent, scabrid. Spikes terminal, un- 
interrupted, somewhat densely-flowered, slender, cylindric, 1}-2 in. 
long; bracts quadrifariously imbricate, ovate, elliptic or somewhat 
rhomboid, up to 2 lin. long and 14 lin. broad, acute, pilose, slightly 
keeled; bracteoles lanceolate, 14-1? lin. long, acute, pilose. Calyx 
about 23 lin. long, scarious, 7-8-nerved, 4-toothed, deeply slit down on 
the upper side, pilose on the upper part chiefly on the teeth ; teeth ovate 
or deltoid, acuminate, 4-2 lin. long. Corolla at first glossy yellow, 
turning to green and finally to black when dry (Welwitsch) ; tube about 
4 lin. long and } lin. broad, curved, slightly contracted at the throat, 
minutely and sparingly pilose above; limb stellate; lobes narrowly 
oblong, about 14 lin. long, fleshy, undulate, somewhat involute along the 
margins or conduplicate in the dried state. Anthers rather obtuse. 
Style about 13 lin. long. Capsule eylindric-oblong.—Stellularia nigrt- 
cans, Benth. in Hook, Ic. Pl. ¢. 1318. S. nigrescens, Benth. Lc. ; Hiern 
in Cat. Afr. Pl. Welw. i. 774, partly. Benthamistella nigricans, 0 
Kuntze, Rev. Gen. Pl. ii. 458. 
Lower Guinea. Angola: Huilla; near Catumba, Welwitsch, 5838! 
34. B. benthamiana, Shan. The following characters distinguish 
this from B. nigricans: Leaves narrowly linear. Spike 5 in. long, more 
slender, less densely-flowered ; bracts lanceolate, 24-3 lin. long, acum) 
nate, rather more pilose. Calyx slightly narrower, more pilose ; teeth 
narrower and longer. Corolla at first purple, then greenish, black when 
dry (Welwitsch), otherwise the same. Style 1 lin. long.—Stellularva 
nigrescens, Hiern in Cat. Afr. Pl. Welw. i. 774, partly. See note by 
Bentham in Hook. Ie. Pl. xiv. 13, under t. 1318. 
_ Lower fuinea. Angola: Huilla; in herbaceous thickets at Monino, Wel- 
witsch, 5037 
35, B. inflata, Skan. A slender erect herb 10-12 in. high, drying 
black. Leaves opposite, sessile, linear, about 74-15 lin. long and 1 lin. 
broad, entire, pubescent, scabrid. Spikes cylindric, terminating the 
somewhat numerous branches of the stem, 13—4 in. long, shortly pedun- 
culate; bracts elliptic, up to 34 lin. long and 1} lin. broad, pilose, 
scabrid, ciliate, acute ; flowers sessile. Calyx tubular, 33 lin. long, ¢- 
or 8-nerved, 4-toothed ; teeth acute, pilose outside, ciliate. Corolla- 
tube slender, 5-6 lin. long, erect, not bent, very narrow, slightly inflated 
above the calyx; lobes linear, about 1 lin. long, recurved on the margins. 
Style elongated. Capsule elliptic, 24 lin. long and slightly more than 
