SONCHUS 321 



4. Kennet. Sandleford, Weaver. Newbury, Russell's Cat. Alder- 



maston. Padworth. Mortimer. Inkpen. Southcote. Near 

 Woodhay. 



5. Loddon. Finchampstead, Pe«n?/. Bisham Wood, &c., ilfiVL Park 



Place, Rose Hill, Stanton. Sindlesham. Farley Hill. Swallow- 

 field, Tufnail. Winkfield. "Windsor Castle, Dyer, in Phijt. 1862. 

 Barkham. Easthampstead. Culham Wood. Hurley. Bisham. 

 Cookham. Wargrave, Long Moor. Sunninghill. Sonning. 

 Very fine specimens on the walls of the north terrace, Windsor 

 Castle. About the Grotto, Frogmore. In Windsor Park. 

 L. muralis is recorded for all the bordei'ing counties. 



SONCHUS, Linn. Gen. n. 813 (Tournefort, Inst. t. 268). 

 S. oleraceus, Linn. Sp. PL 794 (1753). Sow-thistle. 



S. Laevis, Gerard, 229. 

 Top. Bot. 227. Syme, E. B. v. 153, t. 810. Nyman, 434. Fl. Oxf. 178. 

 Native. Agrestal. Cultivated ground, waste places. Abundant 



throughout the county. A. April-September. 

 First record. S. oleraceus, Mavor's Agr. Berks, 1809. 



There were two specimens of enormous size ... at least eight feet 

 high, proportionately large in all their parts, in a wet hollow, in the 

 top part of Bisham Wood, Mr. G. G. Mill, in PMjf. i. 989, 1843. 



A variable plant, especially in leaf-cutting. Many foi-ms were de- 

 scribed by the older authors. 



Var. iNTEGRiFOLiA, Wallr. Sched. Crit. 432, has been seen near 

 Didcot, &c. 



Var. TRIANGULARIS, Wallr. I.e., is not unfrequent. 



Var. LACERus, Willd. Sp. PI. iii, 1513, has been seen near Twyford 

 and West Hanney. 



Var. GLANDULOsus (Coss. et Germ. Fl. Paris, 436 (1845), as a sub-var.), 

 has peduncles and involucre with glandular hairs. 



Near Hampstead Norris, Maidenhead, &c. 



Sonchus oleraceus is found abundantly in all the bordering counties. 



S. asper, Hill. Herb. Brit. 47 (1769"), and of Ger. Em. 291. Soiv-thistle. 

 Top. Bot. 227. Syme, E. B. v. 154, tt. 811-12. Nyman, 434. Fl. Oxf. 178. 

 Native. Agrestal. Cultivated ground and waste places. Common 



and widely distributed. A. May-September. 

 First recorded by Mr. T. B. Flower, in Robertson's Env. of Reading, 1843. 



S. asper is a variable plant. A form with large flaccid leaves and 

 few prickles is the var. inermis, Bischoff, Beitr. Fl. Deutsch. & Schweiz, 

 222 (1851), Reichenbach, Fl. Germ, et Helv. xix. t. 1411. 



Var. PUNGENs, Bischoff, 1. c. 222, Reichb. L c. t. 1410, f. 2, is the very 

 prickly form which is rather frequent. 



y 



