220 XCVIII. ACANTHACEH (CLARKE), [ Monechma. 
18. M. Salsola, C. B. Clarke. <A viscid-hairy rugged shrub, 
divaricately much-branched, 1-2 ft. in diam.; branches angular, 
ultimately glabrate. Leaves } by 4 in., linear-lanceolate, acute, hairy, 
subsessile. Flowers axillary, subsessile. Sepals + in. long, linear, green, 
hairy and glandular. Corolla 4 in. long. Lower anther-cell with a 
long simple acute tail; pollen ellipsoid, with 2 stopples, and 2 rows of 
spots (hardly elevated) on each side of each stopple. Capsule } in. 
long, 2-seeded.— Justicia Salsola, 8. Moore in Journ. Bot. 1880, 340. 
Lower Guinea. Angola: Praia da Amelia, Welwitsch, 5023! 
Allied perbaps to VW. arenicola, but has much more scattered flowers. 
19, M. hereroense, C. B. Clarke. Undershrub; branches round, 
densely grey woolly-tomentose; internodes } in. long. Leaves 3 by 
jis in., lanceolate, mucronate, thinly hairy. Flowers axillary; bracts 
nearly 4 in. long, lanceolate. Sepals } in. long, lanceolate-subulate. 
Corolla nearly 4 in. long, blue. Lower anther-cell long-tailed. 
Capsule 1~1 in. long, ellipsoid, subacute, sessile, 2-seeded, hairy ; seeds 
discoid, not tubercled.— Justicia hereroensis, Engl. in Engl. Jahrb. x. 
264; Lindau in Engl. & Prantl, Pflanzenfam. iv. 3 B. 349. 
Lower Guinea. Hereroland: Usakos, 2700 ft. Marloth, 1246! Great 
Namaqualand; Rehoboth, Pfeil, 130, 173 ! 
No specimen at Kew. 
20. M. cleomoides, ('. B. Clarke. Woody, viscous glandular 
hairy. Leaves } by } in., spathulate-elliptic, obtuse; petiole 0-7 in. 
long. Flowers solitary ; pedicels axillary, 4-1 in. long. Sepals 5, 
4 in. long, and upwards, linear. Corolla exceeding ? in, long. Lower 
anther-cell (rather strongly) tailed; pollen ellipsoid, with 2 stopples, 
and one row of small tubercles on either side of each stopple. Ovary 
pubescent at the top; style-base hairy. Capsule } in. long, 2-seeded, 
hairy, stalked.—/Justicia cleomoides, 8. Moore in Journ. Bot. 1880, 313; 
t. 214, fig. 2. 
Lower Guinea. Angola: Mossamedes, Hoepfner ! Welwitsch, 5006! 
Imperfectly known species. 
21. M. (?) ukambense, (. 2. Clarke. Branches stout, bairy. 
Leaves 2 by ? in., ovate, pubescent ; petiole 4-1 in, long. Flowers in 
the axils, and running into a terminal spike (1 in. long); bracts (floral 
leaves) with petioles } in. long (or rather more), erect, obovate ; bracts 
of terminal spike imbricate, 2 in. long, elliptic; bracteoles very small. 
Calyx { in. long. Corolla 4 in. long. One anther-cell tailed.—./usticta 
ukambensis, Lindau in Engl. Jahrb, xx. 69, and in Engl. & Prantl, 
Pflanzenfam., iv. 3 B. 349, and in Engl. Pfl. Ost-Afr. C. 373. 
Nile Land. British East Africa: Ukamba, Hildebrandt, 2725! 
The example is young. I suspect a plant collected by Wakefield in a journey from 
Ribe to the Galla country to be this species; but in the absence of fruit it 18 
doubtful. 
