Teucrium. 837 
or rarely nearly smooth. — Herbs, undershrubs or shrubs, showing 
considerable diversity in habit and inflorescence. Leaves entire, 
toothed or variously divided. 
The genus is widely distributed over the temperate regions of the 
globe, chiefly in the northern hemisphere, with a few tropical chiefly 
mountain species. 
Aj Iuéaves cuneate-obovate: so; .) syst! bh) wa! of! 1. T. leucocladum. 
b. Leaves oblong to linear. 
I, Corolla as long as or a little longer than 
thet calyxitard. =) Bhelen (Re. Gaede aged - 2. T. Polium. 
Il. Corolla 14/2-times longer than the calyx . . 2. T, pilosum. 
1175. (1.) Teucrium leucocladum Boiss. Diagnos. Plant. Or. IV 
(1849), p.44. — Flor. Or. IV, p.820. — Aschers-Schweinf. Prim. 
Flor. Marmaric., p. 662 no. 253. — Aschers.-Schweinf. Ill. Flor. d’Eg., 
p- 122 no. 835. — Aschers. Flor. Rhinocol., p. 802 no. 204, — 
Aschers.-Schweinf. Ill. Flor. d’Eg., Supplem. p. 771. — Sickenberg. 
Contrib. Flor. d’Eg., p. 268. — A low shrub, 20—30 cm high, some- 
times somewhat more, appressed-woolly-canescent; the old branches 
woody, tortuous, the new white, 4—7 cm long, forked, at length 
subspinescent. Leaves cuneate-obovate, the largest 9 em long, 6 cm 
broad at the tip, obtusely and sparingly crenate, the floral one 
elliptical, entire. Heads scarcely larger than a pea, nearly spherical, 
few-flowered, short-peduncled; bracts elliptical, obtuse; calyx 2,5 mm 
long, teeth ovate, obtuse; corolla white, once-and-a-half as long as 
the calyx. — Flow. January to March. 
M. ma. Mariut. — D. i. Desert-el-Tih; Gebel Ekhfén; EI- 
Kharuba. — D. a. sept. Wady Abu Marwa; Gebel Dukhan. 
Local name: mustian; dja’ade. 
Also known from Arabia Petraea, Syria and Mesopotamia. 
1176. (2.) Teucrium Polium L. Spec. Plant. | (1753), p. 792. 
— Boiss. Flor. Or. IV, p. 821. — Rehbch. Ic. XVII, tab. 37 fig. IV 
to VI. — Aschers.-Schweinf. Ill. Flor. @Eg., p. 122 no. 836. — 
Aschers.-Schweinf. Ill. Flor. dEg., Supplem. p. 771. — Aschers.- 
Schweinf. Primit. Flor. Marmaric., p.662 no. 253. — Aschers. Flor. 
Rhinocol., p. 802 no. 204. — Benth. in DC. Prodrom. XII, p. 591. 
—A perennial herb, densely branched from the crown of the root, 
with wiry stems densely clothed with white tomentum. Leaves 
crowded, sessile, small, oblong, with crispate-crenate revolute edges. 
Flowers aggregated in dense globose terminal heads; bracts small. 
Calyx densely villous, 8 mm long; teeth small, ovate. Corolla 
twice as long as the calyx. — Flow. February to March. 
