ON THE FLORA OF TIREE 95 



AGROSTIS PALUSTRIS, Huds. (A. alba, L.) Common, occasionally 

 with awns. 



Var. maritima, Mey. On sand dunes. 



AGROSTIS VULGARIS, With. Common. 



AMMOPHILA ARUNDINACEA, Host. Abundant, occupying large tracts 

 on the dunes. 



AIRA PR^ECOX, L. Very common ; dry banks, etc.; sometimes on 

 dunes. 



DESCHAMPSIA OESPITOSA, Beauv. Rather common ; Barrapol, 

 Ballyphetrish, etc. 



DESCHAMPSIA DISCOLOR, Roem. and Schult. Rare ; near Loch-na- 

 Gile. 



DESCHAMPSIA FLEXUOSA, Trin. 



HOLCUS LANATUS, L. Common ; chiefly by sides of fields and by 

 roadsides. 



AVENA PUBESCENS, Huds. Rare ; among rocks at Chad, and at 

 Ballyphetrish, 



ARRHENATHERUM AVENACEUM. Beauv. Local ; usually at sides of 

 fields, and among rocks by roadsides, as at Hynish and Bally- 

 phetrish. 



SIEGLINGIA DECUMBENS, Bemh. Common ; Scarinish Moor, etc. 



PHRAGMITES COMMUNIS, Trin. Common ; locally plentiful ; streams 

 and marshy places, extending among pastures. 



CYNOSURUS CRISTATUS, L. Common. 



KCELERIA CRISTATA, Pers. Very common ; sandy and rocky 

 pastures, and dunes. 



MOLINIA VARIA, Schrank. Common in turfy places. 



CATABROSA AQUATICA, Beauv. Local, usually at the exit of streams 

 on sandy shores. It is found only as the small decumbent 

 form with one- or two -flowered spikelets the latter being, I 

 think, the more numerous. 



DACTYLIS GLOMERATA, L. Rather common ; fields and roadsides. 



POA ANNUA, L. Very common in general ; rare on the moorish 

 ground, rather common on dunes. 



POA PRATENSIS, L. Common. 



POA TRIVIALIS, L. Rather rare ; mostly by roadsides and sides of 

 fields. 



GLYCERIA FLUITANS, R. Br. Common in ditches. Panicle some- 

 times simple and spike-like. 



