240 GRAMINE^. 



of the Bristol Naturalists' Society, stated to have 

 been collected on St. Vincent's Rocks by Dr. Dyer. 

 It was doubtless a casual introduction.) 



CATABROSA, Pal de Beam. 



913. C. aquatica, Beauv. 



Native ; in ponds and ditches, frequent. 



G. Alveston. Berkeley. Bank of Avon above 

 Bristol. Hallen. Henbury. Filton Meads. Pools 

 about Horfield Common. Edges of ponds near 

 Chipping Sodbury and Yate. Siston. 



S. Meadows by Lock's Mills. Ditches at Portbury 

 and towards Portishead. Nailsea. Yatton. Marsh 

 ditches and ponds near Woodborough and in the 

 Cheddar Valley. Pools on Mendip near the 

 Mineries. Peat-moors below Wedmore., Common 

 near Bath ; Fl. BatJion. VI. VII. 



CYNOSURUS, Lirm. 



914. C. cristatus, L. Dog's-tail Gh-ass. 



Native ; in meadows and pastures. Very common 

 and generally distributed. VII. VIII. 



DACTYLIS, Linn. 



915. D. glomerata, L. Cock's-foot Grass. 



Native ; in meadows and pastures. Very common 

 and generally distributed. VI. VII. 



FESTUCA, Lin7i. 



916. F. uniglumis, Sol. 



Native ; on sea-sands, vei-y local. 



S. Abundant on dunes and among loose sand on the 

 Channel shore above Burnham. VI. 



