472 Cll, LABIATA (BAKER). | Ballota. 
36. BALLOTA, Linn.; Benth. et Hook. f. Gen. Plant. ii. 
1212. 
Calyx-tube funnel-shaped, 10-ribbed ; limb usually with 5-10 teeth 
rarely more, or entire. Corolla-tube with a ring of hairs inside; limb 
bilabiate ; upper lip ascending, oblong, concave ; lower 3-lobed. Stamens 
4, didynamous, arcuate; lower pair the longest ; anther-cells 2, divari- 
cate. Disk entire or lobed. Style bifid at the apex. Nucules ovoid- 
oblong, smooth._-Perennial herbs or undershrubs. Leaves petioled, 
ovate, crenate. Whorls of flowers produced from the axils of developed 
leaves; bracteoles foliaceous or subulate. 
Species 25, concentrated in the Mediterranean and Oriental regions, one South 
African. 
Whorls 2-flowered .  . . . . . . 1. B. fruticosa, 
Whorls 5-6-flowered . . . . . . 2. B. Hildebrandin. 
1. B. fruticosa, Baker in Kew Bulletin, 1895, 225. A much- 
branched undershrub. Stems densely clothed with fine short white 
pubescence. Leaves petioled, orbicular, very small, crenate, subcoria- 
ceous, green and obscurely pubescent above, densely pubescent with 
raised veins beneath. Flowers solitary, sessile, axillary. Calyx finally 
4 in. long; tube funnel-shaped, 10-ribbed; limb accrescent, oblique, 
shortly toothed, finally spreading, $ in. diam. Corolla and stamens not 
seen. 
Wile Land. British Somaliland : without precise locality, Miss Edith Cole ! 
2. B. Hildebrandtii, Vatke et Kurtz in Oecster. Bot. Zeitschr. 1875, 
95. An undershrub, 5-6 ft. high, with slender woody densely hairy 
branchlets. Leaves distinctly petioled, small, ovate, deeply crenate, 
densely hairy on both sides. Whorls 5—6-flowered, sessile in the axils 
of the fully-developed upper leaves ; bracteoles firm, subulate, shorter 
than the calyx. Calyx-tube } in. long, funnel-shaped, densely pubes- 
cent, with 10 strongly-raised ribs; limb short, spreading, membranous, 
with 10 obscure teeth. Upper lip of the corolla oblong, emarginate, 
densely villous.—Vatke in Linnea, xliii. 96 ; Engl. Hochgebirgsfl. Trop. 
Afr. 369. 
Nile Land. British Somaliland: Serrut Mountains, near Maid, 5200 ft., 
Hildebrandt, 1425! Ah) Mountains, at Yafir, 6500 ft., Hildebrandt, 849. 
37. LEUCAS, R. Br.; Benth. et Hook. f. Gen. Plant. ii. 
12138. 
Calyx narrowly funnel-shaped or oblong, equal or oblique at the 
throat ; ribs and teeth 8-10. Corolla-tube as long as the calyx, naked 
or furnished with a ring of hairs inside; upper lip arcuate, convex 5 
lower about as long, 3-lobed. Stamens 4, didynamous ; anther-cells 
divaricate, finally confluent. Disk equal or obliquely produced. Style 
