SONCHTJS. MULGEDITJM. 229 



outer phyll. ovate-acuminate, adpressed, inner simple at tip, fr. 

 pale yellow or brown muricate at the top, 1. oblong and entire 

 sinuate-dentate or runcinate ; or outer phyll. ovate-lanceolate, 

 or (L. leptocephahtm R) lanceolate. E. B. 553. Very common, 

 y in dry places, d in bogs or damp places. P. III. X. E. S. I. 



44. SON'CHTJS Linn. Sowthistle. 



1. S. olerdceus (L.) ; 1. undivided or pinnatifid toothed clasp- 

 ing, auricles spreading arroivshaped, fr. transversely rugose and 

 longitudinally ribbed, st. branched, heads subumbellate, inv. 

 usually glabrous.^. B. 843. St. 23 feet high. L. flattish, 

 lower stalked. Fl. yellow. Common. A. VI. VIII. Sow- 

 thistle. E. S. I. 



2. S. as' per (Hill) ; 1. undivided or pinnatifid sharply toothed 

 clasping, auricles rounded, fr. longitudinally ribbed not trans- 

 versely rugosej st. branched, heads subumbellate, inv. usually 

 glabrous.^. B. S. 2765, 2766. St. 23 feet high. L. crisped, 

 lower stalked. Fl. yellow. Common. A. VI. VIII. &w* 

 thistle. E. S. I. 



3. S. arven'sis (L.) ; 1. lanceolate runcinate sharply toothed 

 cordate at the base, uppermost 1. entire, st. simple, heads corym- 

 bose, inv. and ped. glandular-hairy ', fr. with transversely rugose 

 ribs, creeping. E. B. 674. St. 3 4 feet high, leafy. L. long, 

 acute. Heads large, fl. yellow. Glandular pubescence sometimes 

 wanting (var. glabrescens Guenth. G. & W.). [A narrow-leaved 

 shore form is var. angustifolius Meyer.] Fields and waste ground, 

 also in fens. P. VlII. IX. Corn-Soivthistle. E. S. I. 



4. S. palus'tris (L.) ; 1. linear-lanceolate all acutely arrow- 

 shaped denticulate, lower 1. long with 2 4 linear-lanceolate 

 lobes, st. simple, heads corymbose, inv. and ped. glandular-hairy, 

 fr. with finely rugose ribs, no stoles. E. B. 935. St. 4 6 feet 

 high, leafy. Fl. lemon-coloured. Marshes, very rare. P. VII. 

 VIII. E. 



45. MTJLGE'DIUM Cass. 



1. M. alpinum (Less.) ; 1. glabrous lyrate arrowshaped at the 

 base, terminal lobe large triangular-hastate acute, st. simple, 

 heads racemose, bracts ped. and inv. glandular-hairy, fr. oblong 

 not attenuate with many ribs. Sonchus cceruleus Sm. E. B. 

 2425. Lactuca Benth. St. 3 feet high, glabrous below, leafy. 

 L. gradually smaller upwards, cordate-acute on the barren 

 shoots. Heads small, many. Fl. blue. Clova Mountains. 

 P. VIII. S. 



