1 88 The Flora of Glamorgan. 



Ceterach, Willd. 522. 



1881. Officinarum, Willd. Common Scale-fern. Rhedyn y gogofau, 



Dueg-redynen feddygawl. 

 Common. Abundant. Native. Rupestral. 



Confined to calcareous habitats. .Apparently rare, on the walls, 

 on the coal measures. 



b. crenatum, Milde. Glyn Neath ; Aberdare. Ridd. 



Scolopendrium, Adans. 523. 



1882. vulgare, Symons. Hart's-tongue Fern. Tafod yr hudd cyffredin. 

 Common. Abundant. Native. Septal, sylvestral, rupestral, etc. 



This fern is extremely common in the calcareous areas, especially 

 on the Lias. Rare on the coal measures, and confined there to walls 

 and similar calcareous habitats. Rather uniform in type for such a 

 variable species. Ed. 



Cystopteris, Bernh. 525. 



1885. fragilis, Bernh. Brittle Bladder-fern. Ffiol-redynen ddeintiawg. 

 Local. Frequent. Native. Rupestral. 



Kilvey Hill. Gutch. Phyt. 1842. p. 182. Heads of Swansea 

 and Neath Valleys. L.W.D. Mat. These may be Brecknock localities. 

 Ed. Rhondda Valley, near Ystradyfodwg, very rare. J.S. Blaen- 

 rhondda ! Abercanaid ; near Merthyr. J.S. (2). Rhondda Fach ; 

 Neath Valley; Swansea Valley. T.H.T. Merthyr district. E.andF. 

 Aberdare, Dowlais. Ridd. Morlais Castle and neighbourhood ! 

 Alwavs, I believe, of the dentata form. Ed. Fine specimens at 

 Castellan, near Llantrissant. 21 -4-1897. Cwm Ffrwd, Merthyr. 

 1904. T.H.T. 



Polystichum, Roth. 526. 



1888. Lonchitis, Roth. Alpine Holly Fern. 



All the records for this species doubtless refer to specimens of 



1889. 



1880. lobatum, Presl. Hard Prickly Shieldfern. March-redynen glust- 

 iawg. 

 Local. Frequent. Native. Rupestral, sylvestral. 



Numerous records from all parts of the county except the valleys 

 of the Loughor and Rhymney. Ed. 



1890. angulare, Presl. Soft Prickly Shieldfern. March-redynen wrychog. 

 Common. Abundant. Native. Sylvestral, etc. 



No record from the valley of the Loughor. Commoner than the 

 preceding species in the lowlands, perhaps rarer in the uplands. Ed. 



