A CONTRIBUTION TOWARDS A FLORA OF BRECONSHIRE. 43 



Very C : * for segregate. — V. Reichenbachiana Bor. Carefully 

 searched for, but uot seen. No canina seen. — V. tricolor L. Near 

 Nant-gwyllt, about five miles south-west of Ehayacler ; A. Ley. — 

 Var. arcemh. Partricio ; A. Ley. Cultivated ground, Llangorse, 

 Brecon, Three Cocks Junction. — V. lutca Huds., IK Turner ms.; 

 Top.Bot. ed. ii. Eare. One small patch at base of Black Mountain, 

 three miles south of Hay ; A. Ley, 



Drosera rotundifoUa L. Hill-side near Nant-Gwyllt ; Honddu 

 Valley, Black Mountain district, scarce ; at base of the hills, four 

 miles above Llanthony Abbey; A. Ley. Eare. Only seen in 

 moory swamp, Pen-y-wyllt. — D. intermedia Hayne. Not seen. 



Polyyala vidgaris L. Appears to be uncommon in South 

 Breconshire. Frequent elsewhere. — *P. depressa Wender. Taly- 

 bont. Builth. 



'^'Silene injlata Sm. Pen-y-wyllt. Brynmawr ; a few plants 

 only. Much less frequent than in South-west England. — S. 

 maritima With., "2800 feet"; Top. Bot. ed. ii. Northern 

 precipice of Brecon Beacons, finer and more plentiful than I have 

 ever seen it inland; A. Ley. 



Lychnis vespertina Sib. F. — L. diurna Sib. C. The rare 

 form with white flowers, by roadside between Talybont and 

 Llanthetty. — L, Flos-ciicidi L. Cwm-Tarell Valley, five miles 

 south-west of Brecon; .I. Ley. Dolygaer. Llangorse. Builth. — 

 L. Githago Lam. Not seen. 



Cerastium glomeratmn Thuil. and C. trivialelj. C. — C. triviale\a,r. 

 d. alpestre. Crag under head of Brecon Beacons. New to the 

 Principality; A. Ley. 



*Stellaria aquatica Scop. Shores of Usk, Talybont. Llan- 

 gorse and neighbourhood. — S. media "With. F. — S. Holostea L. 

 C. — S. graminea L. F. — S. uliginosa Murr. Eiverbeds, &c. 

 Abundant in South Breconshire, less common towards north. 



Arenaria trinervia L. C. — A. serpyUifolia L. Near Brecon; 

 A. Ley. Not very common. Talyllyn. — Var. ■4eptocladus. Sides 

 of railway near Talyllyn. 



Alsine verna Bartl. Crag under head of Brecon Beacons, 

 abundant. Confirmation of queried record in Top. Bot.; A. Ley. 



Sagina apetala L. Three Cocks Junction ; A. Ley. Uncommon, 

 except on arable lauds. Talybont. Near Brecon. Hay. — S. 

 ciliata Fr. Locality forgotten ; A. Ley. — S. procumhens L. 

 Eemarkably abundant. — */S'. nodosa Meyer, var. glandulosa. Eare. 

 Several plants by mountain rivulets above Pentwyn. 



Spergula arvensis Lt. Nant-gwyllt; Partricio, A. Ley. Widely 

 diistributed. Noted at Brynmawr, Talybont, Hay, Garth. 



Spergularia rubra Fenzl. Casual on rail between Doldowlod and 

 Ehayader; A. Ley. Abundant on sandy swampy ground at 

 Brynmawr, apparently native. 



'■"'SclerantJiHs annuus L. Apparently uncommon. Bed of Usk, 

 Talybont, in some plenty. Arable laud near Brecon. 



Mantia fuiitana L. Near Aber Elan ; A. Ley. Vale above 

 Ehymney Bridge Station. Swampy ground, Brynmawr. Builth. 



LlypericiDii Androsfeimuii Lt. Eare. Gilwern. — IL perj'uratum 



