PL ex. cal. 39. COMPOSITES, B. 205. Hippoph. 44S 
XXX. 205. HIPPOPHAESTUM. Columna. 
Star-thistle . 
Pericline ovate; scales imbricate, cartilaginous, tip end- 
ing in a long spine; sides toothed and spinous at the base; 
nearly equal ; flowers of the centre hermaphrodite, of the 
circumference female ; clinanthus chaffy ; chaffs linear, 
short; akenium ovate, with a cartilaginous ring above; 
pappus 0. 
Hippophcestum vulgar e. Common star-thistle. 
Stem spreading, divaricated, hairy; leaves pinnatifid, 
toothed; calathides sessile. 
Carduus stellatus, Raii Syn. 196, 15; Ger. era. 1 166, 1. 
Cardutis stellaris, seu calcitrapa vulgaris, Park. 989. 
Centaurea Calcitrapa, Lin. S. P. 1297. 
Rhaponticum Calcitrapa, Scopoli Cam. 2, 1019. 
Calcitrapa Hippophaestum, Gcertner 2,367. 
Ruins and sandy sea-shores ; annual; July and August. 
Stem much branched; calathides lateral, solitary; corollas 
rose-colour. 
XXXI. 206- POLYACANTHA. Jersey-thistle. 
Pericline ovate; scales ovate, tip palmate, 5-cut, spread- 
ing, spinous; flowers of the centre hermaphrodite, regular; 
of the circumference neuter, large, irregular ; clinanthus 
chaffy; chaffs hairy, shorter than the pericline; akenium 
ovate; pappus hairy, persisting; rays unequal, stiff 
Polyacantha procumbens. Procumbent Jersey-thistle. 
Leaves lyrate, toothed, hispid, rather embracing the 
stem ; calathides sessile, terminal. 
Centaurea Isnardi, Lin. S. P. 1295. 
Jersey star-thistle. 
Fields and pastures, Jersey; perennial; July and August. 
Stem prostrate, branched, angular; leaf-lobes rather 
spinous ; upper leaves not cut ; calathides solitary ; pericline 
bald ; scales spreading ; corolla light purple. 
XXXII. 207. LEUCANTHA. Dalechamp. 
Yellow-thistle. 
Pericline ovate; scales ovate, palmate, spinous; inner- 
most scales scarious, torn ; flowers in the centre hermaphro- 
dite, in the circumference neuter, scarcely longer than 
those in the centre; clinanthus chaffy; chaffs linear; akenium 
