Centaurea. 1037 
1445. (10.) Centaurea furfuracea Coss. and Dur. in Bull. Soe, 
Bot. France. IV (1857), p. 363. — Aschers.-Schweinf. Ill. Flor. d’Eg., 
p- 96 no. 609. — Coss. Voy. Bot. Algér. in Ann. Scienc. Nat., sér. 4 
Vol. IV p. 284. — An annual plant, branching from the base, 
branches short more or less elongate, decumbent-diffuse, simple, 
sulcate-striate, pubescent-furfuraceous, leafy. Leaves not decurrent, 
pubescent, crispulous, the lower ones petioled, pinnatisect or pinnati- 
partite, segments often unequal, the terminal large, oblong or ovate, 
entire or sinuate-dentate, teeth callous-mucrunolate; the upper ones 
oblong often like the bracts. Heads at the apex of the branches soli- 
tary, medium-sized; involucre ovoid; scales of the involucre sparingly 
arachnoid-pubescent, imbricate, coriaceous, narrowly scarious-margined ; 
the outer and intermediate ones narrowed into an appendix, terminal 
spine much longer than the other: flowers pale pink or yellow; 
achenes minute, terete, subcompressed smooth, glabrous, brownish; 
setae of the pappus white as long as the achene. — Flow. March 
to April. 
D. |. Between Alexandria and Siwa. 
Also known from Tunisia. 
1446. (11.) Centaurea alexandrina Del. Illustr. Flor. d’Eg 
(1813), p. 373 tab. 49 fig. 3. — Boiss. Flor. Or. III, p. 689. — 
Aschers.-Schweinf. Ill. Flor. d’Eg., p.96 no. 612. — Sickenberg. Contrib. 
Flor. d’Eg., p. 249. — Aschers.-Schweinf. Primit. Flor. Marmaric., 
p- 656 no. 189. — A biennial on often perennial plant, papillous- 
canescent; stems erect, sometimes very short monocephalous often 
divaricately 3—4-branched. Basilar leaves rosulate flaccid pinnately 
or subpinnately cut into unequal oblong or ovate, obtuse minutely 
mucronate-toothed segments; the upper ones and those of the stems 
gradually diminute sinuate-lobed, auriculate at the base; capitula 
1—8, shortly pedunculated, subrotundate; scales of the involucre 
glabrous cariaceous narrowed at the apex into a white spine longer 
than the flowerets, the inner ones without spines scarious at the 
apex; flowers yellow-brownish; achenes small white-greenish. — 
— Flow. March to April. 
M. ma. Marmarica: Matruqa; Abusir; Mariut; Montaza; Alexan- 
dria-West and -Hast; Mandara; Abukir; 
Only known from Egypt. 
1447, (12.) Centaurea pallescens Del. Illustr. Flor. d’Eg. (1813), 
p. 370 tab.49 fig. 1. — Boiss. Flor. Or. IIT, p.691. — Aschers.- 
Schweinf. Ill. Flor. d’Eg., p.96 no.613. — Aschers.-Schweinf. Ill. 
Flor. d’Eg., Supplem. p. 765. — Sickenberg. Contrib. Flor. d’Keg., 
p. 249 (inel. var. gracilis Sickenberg.). — Aschers. Flor. Rhinocol., 
