42 A CONTRIBUTION TOWARDS A FLORA OF BRECONSHIRE. 



Meconopds cambrica Vig. Eocky stream-sides at Ehydgocb, 

 near Brecon ; Grwyue-faur Valley, Black Mountain district ; 

 doubtful native at latter station; A. Ley. Wood, Gilwcrn. 

 Eavine at Ffrwdgrecli Waterfall, near Brecon. 



'^'Chclidonium majus h.] Frequent in and near villages; probably 

 introduced. 



Conjdalis clavicidata DC. Top. Bot., ed. ii. 

 *'Fumaria confnsa Jord. The most frequent segregate. Noted 

 on shore of Usk, Talybont. Eoadside, Llangorse. Talgarth. 

 Three Cocks Junction, abundant. Alltmawr, opposite Aberedw, 

 near Builth, abundant. {F. Burrerl Jord. appears in Bot. Eec. 

 Club. Eep. 1883 as a new county record for Brecon, the specimen 

 having been found by the Eev. A. Ley. He has sent me a duplicate ; 

 it must, I think, certainly go with conj'usa, although the fruit 

 pedicels are somewhat reflexed). — F. ojficinalis L. Uncommon. 

 Enclosed ground. Three Cocks Junction. Fallow ground near 

 Builth. 



Sinapis arvensis L. C. — S. alba L. Waste land. Three Cocks 

 Junction; A. Ley. Llauthetty, near Talybont ; Hay. — S.niyrah. 

 Banks of Wye ; Hay. 



Sisymbrium, officinale Scop. C. — S. All iaria iico^. F. Noted 

 at Gilwern, Builth, &c. 



Brassica campestris ; A. Ley. 

 '^Cheiranthus Cheiri L. Old walls, Brecon. Introduced. 



Cardamine pratensis L. ; A. Ley. — *C'. kirsuta L. C. — ''"'C. syl- 

 vatica Link. C. By river-sides, &c., throughout the county. — C. 

 impatiens L. Near Builth; A. Ley. 



Arabis thaliana L. Walls at Llyswen ; H. N. Fudley. — A. hir- 

 suta Br. Limestone rocks, Pen-y-wyllt. 



Barbarea vulgaris Br. F. 



Nasturtium, officinale Br. C. — N. palustre DC. Frequent in 

 river-beds. Shores of Usk, Talybont. Llangorse Lake. The 

 Usk. Brecon, not common. The Wye, Hay, plentiful. 

 •Jr-Draba verna L. C. 



Thlaspi arvense L. Not seen. 



CapseUa Bursa-pastoris Moench. C. 



Lepidium Smithii Hook. Eailbauks, Newbridge ; A. Ley. Pen- 

 y-wyllt. Talybont, near Builth. — L. campestre Br. Not seen. 



Senebiera didyma Pers. Plentifully by roadsides at Hay. — S. 

 Coronopus Poir. Not seen. It is remarkable that this species has 

 not been recorded for either of the three neighbouring counties of 

 Eadnor, Montgomery, and Merioneth ; from some of these it is 

 probably absent. 



Lleseda Luteola L. Top. Bot. ed. ii. Not seen by Eev. A. Ley 

 or myself. 



Helianthem7Wi valyare Gaert. On limestone crag, Ehiwarth. 

 Pen-y-wyllt ; A. Ley. 



Viola palustris L. Eare. Near Pen-pont, about 2h miles north 

 of Pont-nedd-fychan ; A. Ley. Only seen in mountain bog, Pen- 

 y-wyllt, sparingly. — V. hirta L. Not seen. — V. odorata L. Near 

 Brecon ; Miss Fryer. Apparently scarce. — V. Fdiiniana Eeich. 



