490 CII. LABIATA (BAKER). [ Leucas. 
65. L. bukobensis, Guirke in Engl. Jahrb. xxii. 139. Stem erect, 
branched, villous. Leaves shortly petioled, ovate, 14-2 in. long, acute, 
narrowed to the base, deeply toothed, pubescent or villous on both 
surfaces. Whorls many-flowered ; bracts linear-subulate, about as long 
as the calyx. Fruit-calyx pubescent, }-} in. long; throat oblique; 
teeth deltoid, cuspidate ; lower lip deflexed. 
Mozamb. Dist. German East Africa: Karagwe; Bukoba, on Lake Victoria, 
3600 ft., Stuhlmann, 1572. 
66. L. somaliensis, Vatke in Linnea, xl.181. A much-branched 
perennial. Stems clothed with yellowish tomentum. Leaves sub- 
orbicular, shortly petioled, } in. long and broad, crenate-dentate, densely 
villous on both sides. Whorls few, many-flowered, crowded, nearly | in. 
in diam. ; bracts subulate, villous. Calyx in fruit 4 in. long, densely 
villous; throat oblique, produced on the lower side; upper lip entire or 
emarginate; teeth of the lower short, mucronate. Corolla twice as 
long as the calyx, densely villous.—JL. indica, Vatke in Oester. Bot. 
Zeitschr, 1875, 95, not of R. Br. 
Nile Land. British Somaliland: Ahl Mountains, 3200-6500 ft., Hildebrandt, 
851. 
38. LEONOTIS, Pers.; Benth. et Hook. f. Gen. Plant. ii. 1214. 
Calyx-tube funnel-shaped, arcuate, 8-10-ribbed ; throat oblique; 
teeth 8-10, more or less unequal, the upper the largest. Corolla-tube 
as long as the valyx; limb bilabiate ; upper lip elongated, concave, hairy 
outside; lower short, deflexed, with 8 subequal lobes. Stamens 4, 
didynamous, arcuate; lower pair longest; anthers 2-celled ; cells 
divaricate, subconfluent. Disk equal. Style shortly bifid. Nucules 
ovoid-triquetrous, obtuse or truncate, glabrous.—Coarse, tall, an nual or 
perennial herbs, Leaves petioled, ovate, crenate. Whorls very dense, 
axillary. Flowers white or yellow. 
Species, about 12, several in South Africa, one now cosmopolitan in the Tropical 
zone. 
Annuals with thin nearly glabrous leaves. 
Corolla pale yellow . . . . . . 1. L. pallida. 
Corolla deep bright yellow . . . . . 2. L. nepetafolia. 
Perennials with densely hairy leaves. 
Corolla white . . . . . . . . 8. ZL. Melleri. 
Corolla usually bright orange-yellow. 
Leaves sessile . . . . . . . 4 DD. Leonurus. 
Leaves petioled. 
Calyx-teeth very unequal. 
Leaves with fine grey pubescence beneath 5. L. velutina. 
Leaves with dense soft grey hairs beneath . 6. L. Elliotit. 
Leaves densely clothed with soft white hairs 
beneath . . . . . . . 7. L. mollissima. 
Calyx-teeth subequal . . . 8. LD. decadonta. 
Perennial with slightly hairy leaves . . . . 9. L. dubia. 
Perennial with glabrous leaves. . . . . 10. L. Schinzit. 
