Buchnera.| — XC11. SCROPHULARIACEH (HEMSLEY AND SKAN). 379 
rigid, minutely and sparingly pubescent. Flowers in terminal crowded 
quadrifarious spikes 4-1 in. long; bracts broadly ovate- or elliptic- 
rhomboid, 24~23 lin. long, 14-14 lin. broad (sometimes almost 3-lobed 
at the apex, the lateral lobes rounded, the middle lobe cuneate), acumi- 
nate, rigid, partly scarious, glabrous except for a few minute stiff hairs. 
on the margin at the apex; bracteoles linear-lanceolate, 1? lin. long, 
keeled. Calyx 24-24 lin. long, deeply 4-toothed, 4-nerved, scarious 
between the nerves, more deeply slit down on the lower side, glabrous: 
except for a few minute hairs on the teeth ; teeth 1—]} lin. long, subu- 
late-lanceolate. Corolla-tube 23-4 lin, long, very narrow, straight or 
slightly curved, cylindric, glabrous outside, pilose inside ; upper lobes 
elliptic to obovate, 1-1} lin. long, ? lin. broad ; lower lobes 2-3 lin. 
long, 1-14 lin. broad, oblong. Anthers acuminate. Style 3-3 lin. 
long. Capsule oblong, 14 lin. long, apiculate. 
Mozamb. Dist. German East Africa: between Lakes Tanganyika and Rukwa, 
6000 ft., Nutt! Lower plateau, north of Lake Nyasa, Thomson! British Central 
Africa: Urungu ; Fwambo, Carson, 100! Nyasaland; Kondowe to Karonga, 2000- 
6000 ft., Whyte! Nyika Plateau, 6000-7000 ft., Whyte, 146 ! 
5. B. ciliolata, Zngi. in Engl. Jahrb. xviii. 69, t. 3, figs. C, D. A 
very small and slender erect annual herb about 5 in. high, branched 
chiefly from the base ; stem and branches almost filiform, terete, glabrous, 
sparingly leafy. Leaves opposite or subopposite, linear, 4—9 lin. long, 
about $ lin. broad, acute, glabrous or with a few scabrid white points. 
Flowers in terminal crowded ovoid spikes 3-6 lin. long; bracts ovate. 
13-14 lin. long, acute or acuminate, sometimes minutely toothed and 
somewhat scarious at the apex, glabrous, concave ; bracteoles narrowly 
linear, % lin. long, glabrous. Calyx 14-1} lin. long, bipartite, 
4-toothed, 4-nerved, scarious between the nerves; teeth ovate-lanceo- 
late, % lin, long, acuminate. Corolla-tube 24 lin. long, straight, 
cylindric, glabrous outside, covered with short reddish hairs inside ; 
lobes oblong, 14-14 lin. long, 4-2 lin. broad, often emarginate or bifid 
at the apex, somewhat pulverulent inside, the lower longer than the 
upper. Anthers acute. Style scarcely 4 lin. long. Capsule oblong, 13 
lin. long, minutely apiculate, bisulcate——Hiern in Cat. Afr. Pl. Welw. 
1.775; Engl. & Gilg in Baum, Kunene-Samb. Exped. 366. 
Lower Guinea. Angola: Huilla; by the River Palanca, Newton! on the 
Shika Fletoan, Welwitsch, 5828! by the River Kubango, above Kohi, 4400 ft., 
aum, 4 ! 
_ §&. B. humilis, Skan. A small slender erect annual herb about % 
in. high ; stem simple or simple below and sparingly branched above, 
terete, sparsely pilose, few-leaved ; branches nearly erect, 3-5 in. long ; 
internodes 14-21 in. long. Lower leaves opposite, oblong to lanceolate, 
8-14 lin. long, 24-4 lin. broad, obtuse or apiculate, narrowed at the 
base into a very short petiole, sparingly pubescent, very scabrid, some- 
times having 1 tooth on each side above the middle; upper leaves. 
opposite or alternate, linear-lanceolate or linear, $-1} in. long, }~2 lin. 
broad, acute, sparingly pubescent, scabrid, entire. Spikes terminal (or 
Sometimes on short lateral branches as well), 7-8 lin. long, densely- 
