Onopordon. — Zoegea. — Crupina. 10381 
high or sometimes somewhat more, snowy-woolly; stem with scarcely 
lobed, prickly wings. Leaves 5—10 cm long, 3—5 cm broad, scarcely 
lobed, serrate, armed with numerous, slender, yellow prickles. Heads 
medium; scales of the involucre ovate at the apressed base; spines 
long, awl-shaped. — Flow. March to April. 
D. a. sept. Wady-Omm-Ruthi in the Southern Galala (Schwein 
furth). 
Also known from Arabia Petraea and Palestine. 
597. (57.) Zoegea Linn. 
Heads heterogamous. Involucre imbricated, scales in several 
rows, membranous, the outer one with a pectinate-fringed appendage. 
Receptacle bristly. Anthers with short appendages at the base, 
filaments glabrous. Achenes 3-furrowed at the apex, hilum lateral, 
deep. Pappus persistent, rigid, of 2 forms, the outer composed of 
several rows of bristles, the inner of one row of pales or bristles, 
shorter. — Annual herbs, distinguished from Centaurea by the achenes. 
A small genus in the Orient. 
1434. Zoegea purpurea F'res. in Mus. Senckenberg II (1835), 
p. 86. — Aschers.-Schweinf. Ill. Flor. d’Eg., p. 96 no. 614, — Sicken- 
berg. Contrib. Flor. d’Eg., p. 249. — Boiss. Flor. Or. I, p. 698. — 
Zoegea aristata DC. Prodrom. VI, p. 562. — An annual plant, 20 to 
30 cm high, or sometimes somewhat more; stem erect, forked; 
branches slender. Lower leaves narrow-oblong, undivided or pin- 
natipartite, upper narrow-linear. Heads minute, globular, with slender 
peduncles; ray flowerets flesh-colored to white; all the bristles of 
the pappus white, slender, and entire. — Flow. March to April. 
D. i. Desert-et-Tih. — D. a. sept. Galala (Schweinfurth). 
Also known from Arabia Petraea, Persia and Afghanistan. 
598. (58.) Crupina Cass. 
Heads heterogamous, few-flowered. Involucre in few rows, 
scales scarious. Receptacle bristly. Anthers short-caudate at the 
base. Style 2-lobed. Achenes with hilum at the base, and a crenu- 
late cup at the apex. Pappus persistent, the outer in several rows 
of rigid, barbellate bristles, the inner one in 1 row of 5—10, broad, 
short pales. — Annual herbs. 
A small genus widely distributed in the Mediterranean region. 
1435. Crupina crupinastrum Vis. Flor. Dalmat. II (1847), p.42 
tab. 51 fig. 3. — Boiss. Flor. Or. Ill, p. 699. — Rehbch. Ic. XV, 
