Leucas. | CII. LABIATH (BAKER). 48] 
25, L. concinna, Baker. A much-branched perennial, with stems 
glabrous except towards the top. Leaves sessile or shortly petioled, 
small, ovate, slightly crenate, obscurely hairy. Whorls distant, few- 
flowered ; bracts minute. Calyx-tube hairy, } in. long; lowest side 
produced ; teeth unequal, subulate, the lowest 4 in. long. Corolla twice 
as long as the calyx-tube ; upper lip very hairy. 
Nile Land. British East Africa: Mombasa, Wakefield ! 
Nearly allied to L. glabrata and L, microphylla, 
26. L. microphylla, Vatke in Linnea, xliii. 97. Perennial. Leaves 
small, sessile, ovate, crenate, the longest above } in. long. Whorls 
2-3-flowered ;_ bracts minute. Calyx hispid, 4 in. long; mouth sub- 
oblique; teeth 10, subequal, subulate. Corolla-tube calloso-annulate 
Inside, 
Nile Land. British East Africa: Duruma, Hildebrandt, 2336. 
Mozamb. Dist. German East Africa: Usambira; Masheua, Holst, 3561! 
27. L. orbicularis, Giirke in Engl. Pf. Ost-Afr. C. 343. An erect 
herb, with velvety-pubescent stems. Leaves sessile, orbicular or broadly 
ovate, under 1 in. long, rounded at the apex, cuneate at the base, cre- 
hate, very thick, velvety on both surfaces, Whorls many-flowered, con- 
gested at the ends of the branches; bracts minute, setaceous. Calyx 
3 in. long, very oblique at the throat; teeth 10, short. Corolla reddish- 
white. 
Mozamb. Dist. German East Africa: Karagwe, Stuhlmann, 1819, common 
on the tops of the Karagwe hills, 4000-5000 ft., Scott-Elliot, 7514 ! 
28. L. decurvata, Baker ex Hiern in Cat. Afr. Pl. Welw. i, 876. 
Stem long, slightly hairy. Leaves thin, shortly petioled, oblong-lanceo- 
late, the lower 14-2 in. long, crenate above the cuneate base, slightly 
hairy on both surfaces. Whorls few, distant, dense, many-flowered : 
bracts minute. Calyx } in. long, much deflexed in a late stage ; throat 
oblique ; lower lip produced, with 3 deltoid teeth. 
Lower Guinea. Angola, Welwitsch, 5526! 5554. 
29. L. Junodii, Briquet in Ann. Jard. Bot. Genev. ii. (1898) 109, A 
herb about 1 ft. high, with branches hispid on the angles. Leaves 
Petioled, ovate-oblong, 1~14 in. long, subobtuse, green on both surfaces 
with scattered rigid hairs, with 2-4 large teeth on each side. ors 
*xillary, 10-flowered ; pedicels absent; bracts minute, se tooth a yx 
3-4 in. long ; throat produced on the lower side ; 7 upper teeth anceo- 
ate; 3 lower lanceolate-deltoid.. Corolla rose-red, produced } in. from 
the throat of the calyx. 
Mozamb. Dist. Portuguese East Africa: 
Junod, 92. 
Mozambique ; hills of Rikalla, 
. ith s densely clothed 
30. L. lanata, Baker. A perennial herb, with sto-oblonp, y Le in, 
With soft white hairs. Leaves shortly petioled, ovate > 
VOL. v, 
