\ 



Sonchus.'] 



XLYL composite: ciciiorace^. 



213 



plnnatlfid and tootlied the terminal lobe angled, panicle with 

 divaricated branches, beak much shorter that the ^^^n^.l'^ 



(black) 



achene. Prenanthes L.: E. B. t. 457, 



On old walls and in woods, li- ox $. 6— 8. — Stem 2 ft. high, 

 panicled above. Flowers small yellow. 



8. MuLGEBiuM Cass, Blue Sow-thistle. 



AcJienes much compressed, constricted above the see'd and 

 terminated by a slightly dilated disk. Pappus brittle. Becept 

 naked. IiivoL many-flowered, double : inner of one row of 

 equal scales ; outer of imbricated short lax ones. — iSTamed from 

 mulgeo, to milli^ on account of the milky juice. 



1. M. alpimm Less, (alpine B.) ; flower-stalks racemose and 

 bracteas and involucre glandulose-hispid, stems glabrous below, 

 leaves ghibrous lyrate sagittate at the base, terminal lobe very 

 lar^e deltoideo-hastate. Sonchus cseruleus E. B. t. 2425. 



Loch-na-gar and Clova mountains, 

 Flowers blue. 



Rocky places, near rivulets, 

 and in their vicinity. 2/.. 7, 8. 



9. Sonchus Linn. Sow-thistle. 



AcJienes much compressed, without a beak. Pappus pilose. 

 Recept naked, Invol imbricated, with 2—3 rows of unequal 

 at length connlvent scales, tumid at the base, few-flowered.— 

 Named (tojxoq^ in Greek, perhaps from coiKi-og^ hollow^ in allusion 

 to the hollow stems. 



* Root perennial. 



1. 



S. palustris L. (tall marsh S.) ; heads corymbose, pe- 

 duncles and involucre glandulose-hispid, leaves clasping the 

 stem with long acute sagittate auricles, lower ones runcinate- 

 pinnatifid with few segments, upper ones entire, stem simple, 

 root without scions. E. B, t. 935. 



Blackwall ; 

 8 ft. high. 



Greenwich 

 Stem 6 



Marshy places, rare. ' Isle of Ely ; 

 Croydon ; Wouldham, Kent. 1/.. 7, 8. 

 Flowers large yellow. 



2. S. arvensis L. (Corn S,) ; heads corymbose, peduncles and 

 involucre glandulose-hispid, leaves denticulate clasping the stem 

 with short obtuse auricles, lower ones sinuato-runcinate, upper 

 ones oblong-lanceolate entire, stem simple, root with creeping 

 scions. _E. B. t. 674. 



Corn-fields, frequent, 

 very large yellow. 



11. 8, 9. — Stems 3 



4 ft. high. 



Flowers 



** Root annual. 



3. S, olerciceiis L. (common annual S.) ; head subumbellate, 

 involucre glabrous, leaves undivided or pinnatifid toothed, lower 



* 



