PI ex. cal S9. COMPOSITE, B. 205. Hippoph. 443 



XXX. 205. HIPPOPH^STUM. Columna. 



Slar'thistle, 

 Pericline ovate; scales imbricate, cartilaginous, tip end-^ 

 ing in a long spine; sides toothed and spinous at the base; 

 nearly equal; Jloivers of the centre hermaphrodite, of the 

 circumference female ; clinanthus chaffy ; chaflf's linear, 

 short; akenium ovate, with a cartilaginous ring above; 

 pappus 0. 



HippophcBst7im vulgare. Common star-thistle. 



Stem spreading, divaricated, hairy; leaves pinnatifid, 

 toothed; culathides sessile. 



Carduus stellatus, Raii Syn. 196, 15; Ger. em. 1 166, 1. 

 Carduus stellaris, seu calcitrapa vulgaris, Park. 989. 

 Centaurea Calcitiapa, Lin. S. P. 1297. 

 Rhaponticum Calcitrapa, ScopoH Cam. 2, 1019. 

 Calcitrapa Hippophaestum, Gesrtner 2,361. 



Ruins and sandy sea-shores ; annual ; July and August. 

 Stem much branched; calatkides lateral, solitary; coroUce 

 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. 



Polyacaniha procumlens. Vrocumlent Jersey-thistle. 



Leaves lyrate, toothed, hispid, rather embracing the 

 stem ; culathides sessile, terminal. 



Centaurea Isnardi, Lin. S. P. 1295. 

 Jersey, star-thistle. 



Fields and pastures, Jersey ; perennial ; Jul}' and August. 



Stem prostrate, branched, angular; leaf-lobes rather 

 spinous ; upper leaves not cut ; culathides solitary ; pericline 

 bald ; scales spreading ; corollce light purple. 



XXXII. 207. LEUCANTHA. Dalechamp. 



Yellow- this tie. 

 Pericline ovate; scales ovate, palmate, spinous; inner- 

 most scales scarious, torn; flowers in the centre hermaphro- 

 dite, in the circumference neuter, scarcely longer than 

 '|:hosein the centre; clinanthus chaffy; chaffs linear; akenium 



