Chrysanthemum. — Matricaria. 1009 
var. discolor Dum. d’Urv. Enum. (1822), p.112. — Aschers.- 
Schweinf. Ill. Flor. @Eg., Supplem. (1889), p. 762. — Ligules white 
or yellow. — Flow. March to. April. 
M. ma. N.d. N.f. N. v. Often cultivated in Arabian gardens 
and naturalized. Cultivated since old Egyptian times. 
Also known from the other parts of North Africa. 
1396. (2.) Chrysanthemum Parthenium Bernh. Syst. Verz. Erf. 
(1800), p. 145. — Pyrethrum Parthenium Smith Flor. Brit. H, p. 900. 
— Boiss. Flor. Or. Il], p.344. — Aschers.-Schweinf. Ill. Flor. d’Eg., 
p.90 no. 572. — Matricaria Parthenium L. Spec. Plant. I p. 1250. — 
Ic. Flor. Dan., tab. 674. -— Matricaria odorata Lam. Ill., tab. 690. — 
A perennial herb, 30—60 cm high, or sometimes somewhat more, 
puberulous or glabrous stems erect, striate, branching from the base. 
Leaves petiolate ovate in outline, pinnatisent, segments, elliptical- 
oblong, obtuse, pinnatifid, the upper ones confluent. Capitula corym- 
bose, few shortly pedunculate; scales of the involucre corinate, the 
lower ones scarious at the tip, obtuse. Ligules obovate as long as 
the disk; achenes very small, white with a very short crown. — Flow. 
March to April. 
M. ma. M.p. N.d. N.f. N.v. O. a. sept. Everywhere cultivated 
in the gardens and often subspontaneous. 
Local name: arwtl; kerty (Schweinfurth). 
Also known from Europe. 
583. (43.) Matricaria Linn. 
Capitula heterogamous, radiate; ray-flowers in few rows, female, 
fertile or barren, ligulate; disk-flowers in many rows, hermaphrodite, 
fertile, tubular. Involucre depresso-hemispherical; bracts in a few 
rows, imbricated. Receptacle convex, naked, areolate. Corolla of 
the disk-flowers pentamerous. Anthers obtuse and entire at the base, 
ecaudate, apiculate at the apex. Style-branches compressed, rounded 
(not appendaged in our species). Achenes shortly oblong, somewhat 
compressed (4-ribbed and alike on both faces in our species); apex 
obtuse; pappus (in our species) rudimentary, of about 8 little teeth 
about the annular apex of the achene. — Herbs with alternate 
pinnatifid leaves, terminal pedunculate capitula of moderate size, 
white ray-florets and yellow disk-florets. 
A genus of several species, widely spread. 
A. Achenes not compressed. 
il, Heads’ radiate A teeeeee th ety t 3. ois, Kener « 1. M. Chamomilla. 
i -Hoads discoid 1 spe geemwcr ciel Moist aiid od ver on 2. M. aurea. 
Muschler, Manual Flora of Egypt. 64 
