818 Labiatae. 
the uppest one larger and somewhat broader than the others; corolla 
twice as long as the calyx; stigma ovate. — Flow. February to 
March. 
D. a. mer. (?) Upper Egypt. 
Also known from Morocco, Algeria, Tunisia, Tripolitania, and Spain. 
1145. (3.) Lavandula pubescens Decsne. Florul. sinaic. (1835), 
p. 8. — Boiss. Flor. Or. IV, p. 541. — Benth. in DC. Prodrom. XII, 
p. 147. — Aschers.-Schweinf. Ill. Flor. d’Eg., p. 120 no.816. — Jaub. & 
Spach Illustr. Plant. Or., tab. 375. — Sickenberg. Contrib. Flor. d’Eg., 
p. 267. — An erect much-branched perennial herb, with slender 
square hairy stems. Leaves broad, bipinnatifid, with linear segments. 
Panicles long, slender; whorls 2-flowered; bracts ovate, 5—6 mm 
long; upper ones not dilated and membranous. Calyx as long as the 
bract; teeth all small, deltoid. Corolla-tube a little longer than the 
calyx; limb very small. — Flow. December to March. 
D. a. sept. D. a. mer. Common in the Wadies, in shady places 
on stony ground. 
Also known from Arabia and Tropical Africa. 
1146. (4.) Lavandula coronopifolia Poir. Encyclop.. Supplem. IIL 
(1813) p. 308. — Boiss. Flor. Or. IV, p. 542. — Benth. in DC. 
Prodrom. XH, p.147.. — Aschers.-Schweinf. Ill. Flor. dEg., p. 120 
no. 817. — Sickenberg. Contrib. Flor. d’Eg., p. 267. — Lavandula 
striata Delile Ilustr. Flor. d’Eg., tab. 32 fig. 1.— Lavandula multifida 
Burm. Flor. Ind., tab. 38 fig. 1. — An erect much-branched perennial 
herb, with slender square glabrous branchlets. Leaves sessile, cut 
down to a narrowly-winged rhachis; segments erecto-patent, linear 
with revolute edges, simple or pinnatifid. Panicles slender, cylindric, 
5—8 cm long, lax downwards; bracts rigid, ovate-lanceolate, the 
lower as long as the calyx; upper not dilated. Calyx pubescent, 
5-6 mm long; teeth equal, lanceolate. Corolla blue, twice as long 
as the calyx-tube. — Flow. November to April. 
D. a. sept. D. a. mer. One of the most characteristic plants of 
the Wadies on calcarious ground. — A good fodder for donkeys. 
Local name: diktaé (Schimper); zeyte (Wilkinson); natash 
(Klunzinger). 
Also in Tropical Africa, the Cape Verde Islands through Northern 
Africa, also in Western Asia southward to Arabia. 
467. (4.) Mentha Tourn. 
Calyx regular or slightly 2-lipped, 5-toothed. Corolla-tube not 
at all or scarcely exceeding the calyx; limb 4-lobed, the lobes all 
