172 The Flora of Glamorgan. 



17 1 5. extensa. Good. Long-bracteated Sedge. Hesgen hiriain. 

 Local. Frequent. Native. Sub-littoral. 



Near Neath. Westcombe. Phyt. 1844. p. 780. Three Cliffs 

 Bay, Gower. Ridd. J. of B. 1904. p. 305. Llanmadoc ! ! 1905. 

 E. V. Whitford Point ; Crumlin Burrows ; Porthkerry. Ridd 

 Leys ! ! Ely Estuary ! Ed. 



b. pumila, Anders. 



Leys ! ! 1905. Ed. 



1716. flava, Linn. Yellow Sedge. Hesgen felen. 

 Common. Abundant. Native. Paludal. 



a. lepidocarpa, (Tausch.) Bonvilstone. Ridd. 



b. minor, Towns. ( = oedocarpa, And.) Whitchurch. Ridd. 

 Ystradowen ! ! E.V. 



c. CEderi, Retz. 



Swansea. E. F. Linton. J. of B. 1886. p. 112. Whitchurch 

 {var. elatior, And.), Oxwich [var. cyperoides, Marss.). Ridd. Aber- 

 afan ; Port Talbot. Ridd. Kenfig ! ! U.C.Hb., Ed., and N. 



All these fiava records must be accepted with caution. Experi- 

 mental work is required to supplement the incomplete morphological 

 studies which have hitherto been made. 



17 18. hirta, Linn. Hairy Sedge. Hesgen flewog. 

 Common. Abundant. Native. Paludal, pratal, etc. 



b. hirtiformis, (Pers.) 



St.-y-Nil ! ! Pendoylan ! E. V. Margam Moors ; Port Talbot ; 

 Merthyr Tydfil. Ridd. 



17 1 9. Pseudo-cyperus, Linn. 



Rare. Scarce. Native. Paludal. 



Crymlin Bog. Lightfoot. J. of B. 1905. p. 301. St.-y-Nil I I 

 1904. M.A.D. and E.V. St.-y-Nil, 1908. Ridd. 



1720. acutiformis, Ehrh. (= paludosa, Good.) Lesser Pond Sedge. 



Hesgen ganolig-dywysenog. 

 Local. Frequent. Native. Paludal. 



Margam Marshes. Marshall and Shoolbred. J. of B. 1902. 

 p. 250. Fairwater. Nat.Hb., E. F. Linton. Marsh between Ely and 

 St. Fagans. Nat.Hb., Ridd. Near Penylan ! Roath Park ! I St.-y- 

 Nil ! Lavernock Road ! E.V. Llanmaes. /. B. Pole-Evans, sp. ! 

 Crumlin Bog ; Neath ; Tennant's Canal ; Baglan Marshes ; Ogmore 

 Castle (with var. Kochiana (DC.) ) ; Aberdare ; W^elsh St. Donats ; 

 Peterston ; Ystradowen Moor. Ridd. Cog Rises ! ! Peterston 

 Moor ! 1 Kenfig River 1 ! Ed. 



1721. riparta, Curtis. Greater Pond Sedge. Hesgen braff-dywysenog. 

 Common. Abundant. Native. Paludal. 



Much more common than the last species in the lowlands, often 

 forming a dense and comparatively pure formation along the margins 

 of reens. 



