322 COMPOSITAE 



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

 near Maidenhead, Abingdon, Hampstead Norris, Cothill. 



The outline of the leaves, with their prominent auricles, is very 

 beautiful. 



S. asper occurs in all the bordering counties. 



S. arvensis, Linn. Sp. PI. 793 (1753). Com Sow-thistle. 



Top. Bot. 227. Syme, E. B. v. 154, t. 813. Nyman, 433. Fl. Oxf. 177, 



Native. Agrestal. Cultivated fields and banks of rivers, &c. Common 



and generally distributed. P. June-October. 

 First recorded in Russell" s Catalogue, 1839, but without locality. 



The form with glabrous pedicels, the var. laevtpes, Koch, Syn. Fl. 

 Germ. ed. 2, ii. 498, occurred on Boar's Hill in 1892. The tall form 

 sometimes found in marshes and by river-sides, as near Appleton, is 

 the var. elatior, Coss. et Germ. Fl. Par. 437 (1845). 



A narrow-leaved starved form occurred on clay-banks in the brick- 

 field at Tilehurst in 1895. 



One of our handsomest species, from its elegant leaves and showy 

 flowers, affording a beautiful sight when growing, for instance, in 

 a field of ripe beans, the rich dark brown pods of which contrast very 

 effectively with the golden flowers and glossy leaves of the Sonchus. 



S. arvensis occurs in all the bordering counties. 



[S. PALusTRis, Linn. Sp. PL 793 (1753). Marsh Sow-thistle. Syme, E. B, v. 155, 

 t. 814. Occurs in a single locality in Oxfordshire, where it was dis- 

 covered by the Rev. H. J. Riddelsdell and the Eev. H. Elwell. It is one 

 of the rarest British plants, not known from any of the other bordering 

 counties. ] 



TRAGOPOGON, Linn. Gen. n. 810 (Tournefort, Inst. t. 270% 

 T. pratense, Linn. Sp. PI. 799 1753). Goat's-beard. 



T. luteum, Lobel. and Gerard, Em. 735. 



Top. Bot. 220. Syme, E. B. v. 139, t. 799. Nyman, 463. Fl.Oxf. 183. 



Native. Pratal. Meadows, waysides, railway-banks, &c. Not un- 

 common and widely distributed. B. May-July. 



First record. Goafs beard. It growes plentifully about Oxford, MS. in 

 Lyte's Herhall. T. pratense, Mr. Bicheno and Dr. Noehden, in Mavor's 

 Agr. Berks, 1809. In the neighbourhood of Oxford the involucrum 

 is much longer than the florets, in many instances twice as long, 

 Baxt. Phaen. Bot. 390. 



1. Isis. Carswell, Miss M. Niven. Wytham. Near Lechlade. 



Cumnor. 



2. Ock. Foxcombe Hill, Boswell. South Hinksey, Lawson, in Herb. 



Oxf. Abingdon, Whitwell. Denchworth, Wait. Besilsleigh. 

 Shippon. Hagborne. Aston Tirrel. Blewbury. Upton. Cholsey. 

 Uflfington. Challow. Steventon. Didcot. Wootton. Letcombe, &c. 



