238 



GBAMINEiE, 



903. P. pratensis, L. 



Native ; ill mcadowa, pastui'oB, and waste places, very 



common and generally distributed. 

 The var. /3 subcairulca is the common grass of wall 



tops in the vicinity of Bristol. Vl. VII. 



904. P. compressa, L. 



Native ; on dry banks and walls, cliielly by tlio tidal 



Avon, rather rai'o. 

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



Suspension Br'idgc. 

 S. Bank of Avon under Loigli Wood. Bodminstor. 



Clovcdon. 

 Tlio wall-top variety of 1'. pratensis is sometimes 



reported for this species. VLL. 



GLYCERIA, n. Br. 



905. G. aquatica, Sm. 



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

 abundant in the marshy lowlands, of North 

 Somerset. 



G. Bank of Avon above Bn'stol at Conham. Pilnirig. 

 Littlcton-on-Sevorn. 



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

 at Radford. Marsh ditches throughout the Cheddar 

 Valley to Brent, Burnhani, and lliglibridge. VII. 



906. G. fluitans, li. Br. 



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



SCLEROCHLOA, Beam. 

 907. S. maritima, Limll. 



Native ; in salt marshes and on the muddy banks of 



