Monechma. | _XCVIII. ACANTHACEH (CLARKE).} 219 
white-hairy on the margins, yellow-green. Spikes 4-2 in. long, dense, 
forming a close panicle; bracts } by 4 in., lanceolate, acute, mucronate, 
long-white-hairy on the margins. Sepals 5, 4 in. long, linear, puberu- 
lous. Corolla 4-4 in. long. Lower anther-cell with a long acute tail ; 
pollen ellipsoid, banded, with 2 stopples and single rows of tubercles. 
Ovary minutely pubescent in the upper half. Capsule scarcely } in. 
long, 2-seeded, sparsely hairy in the upper part; the solid thick stalk 
scarcely ;'5 In. long; seeds smooth with acute margins.—/usticia 
Desertorum, Eng). in Eng). Jahrb. x. 263; Lindau in Engl. & Prantl, 
Pflanzenfam. iv. 3 B. 349. 
Lower Guinea. Hereroland: Husab, 1000 ft., Marloth, 1462! 
15, M. Nepeta, (. B. Clarke. Stem 6-24 in. long, much branched, 
with many long soft white spreading hairs; internodes up to 1-2 in. 
long. Leaves up to 2 by 4-} in., with long hairs, some gland-tipped ; 
petiole 0-} in. long. Flowers solitary, axillary, remote. Sepals 5, 
} in. long, linear-oblong, green, glandular-hairy. Corolla 4-4 in. long, 
violet-purple. Lower anther-cell with a long oblique simple tail ; 
pollen ellipsoid, with 2 stopples and one row of tubercles on each side 
of each stopple. Ovary thinly hairy in the upper part. Capsule } in. 
long, 2-seeded, thinly hairy in the upper part; the solid stalk less than 
zs In. long; seeds smooth.—/usticia Nepeta, 8S. Moore in Journ. Bot. 
1880, 312. J. mossamedea, S. Moore in Journ. Bot. 1880, 312. 
Lower Guinea. Angola: Welwitsch, 5003! 5004! 5136! 5137! 5185! 
Lorenzo Marques, Quintas, 123! - 
Mozamb. Dist. British Central Africa: Ngamiland; Kwebe, Lugard, 172! 
16. M. floridum, C. B. Clarke. Branches 12-15 in. long, with 
spreading long soft white hairs and some viscid glandular hairs; inter- 
nodes up to 1-14 in. long, those of branchlets scarcely } in. in length. 
Leaves 4 by } in., with long white hair and gland-tipped hairs. Flowers 
solitary, in nearly all the axils. Capsule } in. long, 2-seeded, somewhat 
hairy in the upper part ; the solid thick stalk yo in. long ; seeds smooth.— 
Justicia, sp. nova aftinis J. Nepete, 8. Moore in Journ. Bot. 1880, 342. 
Lower Guinea. Angola: Welwitsch, 5120! Benguela; Bumbo, Welwitsch, 
5032 ! 
This is very near M. Nepeta, differing mainly in the well-marked stalk to 
the somewhat larger capsule. The small leaves and very numerous flowers might be 
accidental, 
17. M.spissum, C. 2. Clarke. Branches viscous hairy ; internodes 
so in, long. Leaves $ by ¢ in, oblong-elliptic, subacute, nearly 
sessile, viscous hairy. Flower in the axils of nearly all the leaves. 
Sepals 5, 1 in. long, subulate, scarious, viscous hairy. Capsule { in. 
long, 2-seeded, hairy; placente not rising elastically ; stalk solid, very 
short ; seeds discoid, shining, smooth, brown with black blotches. 
Lower Guinea, Angola: Loanda, Welwitsch, 5066! 
No specimen in the Kew Herbarium. 
