286 COMPOSITAE 



Sunningwell. Wittenham. Brightwell. Moreton. Kingston 

 Bagpu/e. 



3. Pang. Streatley, Pamplin. Hermitage. Near Aldworth. Buckle- 



bury. Tilehurst. 



4. Kennet. Mortimer, Tufnail. Newbury, Russell's Cat. Padworth. 



Aldermaston. Silchester. Enborne. Theale. Wickham. Near 

 Calcot, &c. 



5. Loddon. A most luxuriant weed in the fields on the Henley and 



Maidenhead Koad, near Hurley, Mill. Windsor, Bolton King. War- 

 grave, Melvill. Locally abundant at Park Place, Stanton. Bisham. 

 Clewer. Bray. Finchampstead. Jouldern's Ford. Farley Hill. 

 Barkham. Binfield. Winkfield. Wellington College, &c. 

 The flowers, which are among the handsomest of our British Com- 

 posites, have an odour recalling heliotrope, but also with a certain 

 resemblance to that of Pyrethrum cinerariaefoUum. The colour contrasts 

 well with the glaucous green foliage. 



C. segetum is found in all the bordering counties. 



G. Leucanthemum, Linn. Sp. PI. 888 (1753). Moon Daisy, Ox-eye. 



Leucanthemum vulgare, Lam. Fl. Fr. ii. 137, and Inst. R. H. 492. 



Top. Bot. 259. Syme, E. B. v. 41, t. 714. Nyman, 371. Fl. Oxf. 162. 

 Native. Pascual. Grass fields, railway-banks, grassy downs, &c. 



Abundant and generally distributed. P. April-July. 

 First record. Sonning, Mr. S. Budge, in Herb. Brit. Mus. 1800. Pub- 

 lished in Mavor's Agr. Berks, 1809. 



This plant is one of the most prominent features in our grass fields, 

 and is especially frequent in the less marshy meadows of the Thaziies. 

 Near Bablock Hythe one specimen was gathered which had 162 ex- 

 panded heads on it, and some of the flowers measured two and a half 

 inches across. 



A form with simple stems clothed with long patent hairs occurred 

 with the type on the railway embankment near Maidenhead, &c. 

 (/. hirsutu), probably the var. unifloruin, Brebisson, Flore de la Nor- 

 mandie, 165. 



C. Leucanthemum occurs on walls at Sonning, and plentifully on the 

 ruins of Reading Abbey, and is found in all the bordering counties. 

 *C. Partlieniuni, Bernh. Syst. Verz. Erf. 145 (1800). Fever/eiv, 



Matricaria Parihenium, Linn. Sp. PI. 890 (1753). Pyrethrum Parthenium, 

 Sm. E. B. t. 1231, Fl.Brit. ii. 900. Parthenium, Math. 



Top. Bot. 260. Syme, E. B. v. 43, t. 715. Nyman, 372. Fl. Oxf. 163. 

 Denizen or native. Hedge-banks, walls, and waste places. Local. 



P. May -August. 

 First record. Sonning, Mr. S. Budge, in Herb. Brit. Mus. 1800. Published 



as Matricaria parthenium, Dr. Noehden, in Mavor's Agr. Berks, 1809. 



