Centaurea. 1035 
1439. (4.) Centaurea Duriaei (Spach) Muschler comb. nov. 
— Microlonchus Duriaei Spach in Ann. scienc. Natur., sér. II Vol. IV 
(1845), p. 166. — Boiss. Flor. Or. II, p. 700. — Aschers.-Schweinf. 
Ill. Flor. d’Eg., p. 96 no.617. — Willk. and Lange Prodrom. Hisp. II, 
p. 169. — Microlonchus tenellus Batt. and Trab. Flor. Alg. I, p. 505. 
— An annual plant, in the lower part with crispulous hairs; stem 
long and somewhat branched. The lower leaves petioled pinnatifid 
vel lyrate; the upper ones small linear, entire. Heads long pedun- 
culate, ovate-conical; scales of the involucre glabrous, coriaceous, 
smooth ovate-triangular and oblong, narrowed at the apex into a 
fine spine; flowers not radiate longer than the involucre; achenes 
subcompressed transverse rugulosed; pappus as long as the achenes 
or shorter. — Flow. March to April. 
M. ma. Alexandria; Mariut; Mex. 
Also known from Spain, Italy, Greece, Algeria, Tunisia and Tripolitania. 
1440. (5.) Centaurea depressa M. B. Flor. Taur. Caucas. I 
(1856), p.346. — Boiss. Flor. Or. III, p.635. — Centaurea anatolica 
Griseb. Spicil. II, p. 234. — An annual plant, 40-—-60 cm high or 
sometimes somewhat more, cobwebby-canescent; stems simple or 
branching from the neck. Lower leaves petioled, oblong, entire or 
lyrate-pinnatifid, the upper ones linear-lanceolate, mucronate. Heads 
ovate, 2—2,5 cm long; margin of the involucre-scales scarious, white 
or tawny, with white, lanceolate teeth almost as long as breadth of 
the scale; intermediate row of the pappus rather longer than the 
achene. — Flow. March to April. 
M. ma. Near Abd-el-Qadr near Mariut in waste fields. 
Also known from Greece, Palestine and Syria. 
1441. (6.) Centaurea pullata L. Spec. Plant. I (1753), p. 1288. 
— Melanoloma pullata Cass. in Dict. Scienc. Natur. XXIX, p. 472. 
— Aschers.-Schweinf. Ill. Flor. d’Eg., p. 96 no. 619. — Rehbch. Plant. 
crit., tab. 373. — An annual plant, greenish shortly pubescent; stems 
ascendent or decumbent, leafy, simple often very short. Leaves 
lyrate petioled, the lateral segments small, oblong the terminal one 
large, obtuse; the upper leaves like an involucre disposed at the heads; 
scales of the involucre glabrous, greenish, triangular, scarious at the 
margin toothed, at the apex narrowed into a pinnatisect pale yellow 
spine; outer flowers rose-coloured achenes hirtulous half as long 
as the pappus. — Flow. March to April. 
M. ma. Alexandria, in deep sandy places. 
Also known from Spain, France and some other parts of North Africa. 
