176 The Flora of Glamorgan. 



Ammophila, Host. 483. 



1767. arundinacea, Host. Marram Grass. Morhesg, Merydd, Cors-wellt 

 y tywod. 

 Common. Abundant. Native. Glareal, littoral. 



Aira, Linn. 485. 



1770. caryophyllea, Linn. Silvery Hair-Grass. Brigwellt ariannaidd. 

 Common. Abundant. Native. Glareal, pascual. 



1 77 1. praecox, Linn. Early Hair-grass. Brigwellt y gwanwyn. 

 Common. Abundant. Native. Glareal, pascual. 



Found in all districts. 



Weingaertneria, Bernh. 486. 



1772. canescens, Bernli. Grey Hair-grass. 



Rare. Abundant. Denizen. Glareal, littoral. 



Aberavon, within a mile of the Docks. July, 1904. Ridd. 

 J. of B. 1906. p. 69. This appears to be a clear case of successful 

 immigration. Ed. 



Deschampsia, Beauv. 487. 



'773- caespitosa, Beauv. Tufted Hair-grass. Brigwellt mawnog. 

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



b. brevifolia, Parnell. Ystalyfera ; Peterston. Ridd. 



1776. flexuosa, Trin. Heath Hair-grass. Brigwelt gwyrgam mynyddawl 



Common. Abundant. Native. Ericetal, sylvestral. 



Holcus, Linn. 488. 



1777. mollis, Linn. Creeping Soft-grass. Maswellt rhedegog. 

 Local. Frequent. Native. Pratal, etc. 



Neath Canal. Phyt. Giitch. 1842. p. 182. Penarth ; Pen- 

 coed ; Ewenny Bridge ; etc. J .S. Merthyr district. E. and F. 

 St. Pagans ; PwUypant. V. Llandough ! Cwrtyrala ! Nelson ! 

 Llanfabon ! Ed. Frequent, especially in the Taff and Rhymney 

 Valleys. Ridd. 



1778. lanatus, Linn. Yorkshire Fog. Maswellt sypwraidd. 

 Common. Abundant. Native. Pratal, etc. 



Trisetum, Pers. 489. 



*779' pratense, Pers. Yellow Oat-Grass. Ceirch-wellt melj^naidd. 

 Common. Abundant. Native. Pascual, etc. 



Often the commonest grass apparently in pastures on the Lias. 

 Very abundant in the Vale of Glamorgan. No records from the 

 coal measures. 



