832 Labiatae. 
' 
limb bilabiate; upper lip ascending, oblong, concave; lower 3-lobed. 
Stamens 4, didynamous, arcuate; lower pair the longest; anther-cells 2, 
divaricate. Disk entire or lobed. Style bifid at the apex. Nutlet 
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. 
A. Calyx white-woMy . ceo. melt cuechnkt uldund sass 1. B. damascena. 
B. Calyx glandular-pubescent .......... 2. B. undulata. 
1167. (1.) Ballote damascena Boiss. Diagnos. Plant. Orient., 
Ser. I fase. XI (1849) p.87. — Flor. Or. IV, p. 772. — Aschers.- 
Schweinf. Ill. Flor. @Eg., p.122 no. 830. — A perennial plant, 30 to 
40 cm ‘high or somewhat more; stems numerous, erect, flexuous, 
densely white, appressed-cocoony. Leaves few, orbicular, 1—1,5 cm 
broad, short petioled, grey-woolly, crisp, wrinkled, crenate. Whorls 
2—3, quite remote, many-flowered, as large as a small walnut; 
bracts oblong-spathulate; calyx white-woolly, limb 5—7 mm broad, 
with 10—12, spinoluse, crenae at the margin. —- Flow. March to 
April. 
D. a. sept. Galala; Suez, rare. 
Local name: asaghan (Schweinfurth). 
Also known from Arabia Petraea, Palestine and Syria. 
1168. (2.) Ballote undulata (Fresen.) Benth. Labiat. (1832 to 
1836), p.595. — Boiss. Flor. Or. IV, p. 773. — Aschers.-Schweinf. 
Ill. Flor. d@’Eg., Supplem. p.770 no. 1307. — Sickenberg. Contrib. 
Flor. d’Eg., p. 267. — Marrubium undulatum Fresen. Mus. Sencken- 
berg. II, p.92. — Marrubium crispum Sieb. in Herb. Berol. — A 
perennial herb, 30—60 cm high, or sometimes somewhat more; stems 
numerous, glandular and hirsute. Leaves villous on both sides, orbi- 
cular, 1,5—3 cm broad, crisp, wrinkled, crenate. Whorls numerous, 
many-flowered, distinct; bracts linear-spathulate; calyx grandular- 
pubescent, limb 8 mm to 1,3 em broad, with undulate, muticous, 
obsoletely crenate margin. — Flow. March to April. 
D. i. Desert-et-Tih. — D. a. sept. Upper Wady Ataqa near Suez. 
Also known from Arabia Petraea, Palestine, Syria and Mesopotamia. 
478. (15.) Leucas R. Br. 
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, 
