238 OBAMINE^. 



903. P. pratensis, L. 



Native ; in meadows, pastures, and waste places, very 



common and generally distributed. 

 The var. (3 subcoerulea is the common grass of wall 



tops in the vicinity of Bristol. VI. VII. 



904. P. compressa, L. 



Native ; on dry banks and walls, chiefly by the tidal 



Avon, rather rare. 

 G. Bank of Avon at intervals from Sea Mills to the 



Suspension Bridge. 

 S. Bank of Avon under Leigh Wood. Bedminster. 



Clevedon. 

 The wall-top variety of P. pratensis is sometimes 



reported for this species. VII. 



GLYCERIA, R. Br. 



905. G. aquatica, Sm. 



Native ; in ditches, rivers, and ponds. Common and 

 abundant in the marshy lowlands of North 

 Somerset. 



G. Bank of Avon above Bristol at Conham. Pilning. 

 Littleton-on- Severn. 



S. Bank of Avon at St. Ann's, Brislington. Canal 

 at Radford. Marsh ditches thi-oughout the Cheddar 

 Valley to Brent, Burnham, and Highbridge, VII. 



906. G. fluitans, B. Br. 



Native ; in water, very common. VI. — VIII. 



SCLEROCHLOA, Beauv. 



907. S. maritima, Lindl. 



Native ; in salt marshes and on the muddy banks of 



