The Flora of Glamorgan. 189 



Lastraea, Presl. 527. 



1891. Thelypterls, Presl. Marsh Fern. March-redynen y gors. 

 Rare. Scarce. Native. Uliginal. 



Sketty Bog. E. Forster, junior, B.G. Cwmbwrla and marshy 

 ground in the neighbourhood of Swansea. Gutch. Phyt. 1842. 

 p. 182. Sketty Bog. G.T. " I have seen Gutch's specimens — 

 certainly Thelypteris." J.S. (2). Singleton Bog. Ed. Young. Ferns 

 of Wales. Llynfach. Ridd. 



1892. Oreopteris, Presl. Mountain Fern. March-redynen y mynydd, 



Rhedyn Mair. 

 Common. Abundant. Native. Ericetal, etc. 



No record for the Ddaw Valley. Very rare in the lowlands. 

 Between Swansea and Park Mill. E. Forster, B.G. Pendoylan. /. 

 Draethan! Ed. 



1893. Filix-mas, Presl. Male Fern. March-redynen wrryw, Rhedyn y 



Cadno. 

 Common. Abundant. Native. Sylvestral, rupestral. 



Several types occur in the county, and need further investiga- 

 tion. Ed. 



1898. spinulosa, Presl. Narrow Shield-fern. March-redynen eddiawg. 

 Rare. Scarce. Native. Sylvestral ? 



Maesteg. Mr. Bicheno. L.W.D. Mat. Ystradowen. V. Vach. 

 Herb. ! Crumlin Bog ; Radyr. Ridd. 



1899. dilatata, Presl. Broad Shield-fern. March-redynen eang. 

 Common. Abundant. Native. Sylvestral, rupestral. 



Very variable ; the form which grows on the screes of the 

 uplands, and which diflers much from the woodland type of the 

 lowlands, has been frequently mistaken for L. cemnla. 



1900. £emula, Brackenridge. Hay-scented Fern. 

 Rare. Scarce. Native. Sylvestral, rupestral. 



Melincourt Waterfall. Ed. Young. Ferns of Wales. Possibly 

 now extinct. All other records are almost certainly based on 

 specimens of 1899. Ed. 



Polypodium, Linn. 528. 



1 90 1. vulgare, Linn. Common Polypody. Llawredynen y derw, Llaw- 



redynen y fagwyr. 

 Common. Abundant. Native. Rupestral, sylvestral, &c. 



b. serratum, Wilid. Leckwith Wood. 1899. Vach. Herb.l V. 

 Cwm George ! T.H.T., Ridd., and Ed. 



c. cambricum, Willd. " On a rock in a wood near Dennys Powis 

 Castle, not far from Cardiff " Ray. Syn. 1689. p. 22. Was com- 

 pletely destroyed by a fern dealer about 1876, who sold hundreds of 

 specimens at one shilling each. J.S. Storrie showed me the habitat 

 which had been occupied by these plants, and I have little doubt 



