24 AMMOPHILA ARUNDINACEA 



Cheshire, Denbigh, Anglesea, Merioneth, Esses, Kent, Norfolk, 

 Worcester, Somersetshire, Devonshire, and Cornwall. Common 

 in Scotland and in the Orkney Islands, and is a native of 

 Sweden, Lapland, Norway, North America, United States, and 

 in the Mediterranean Islands. 



Panicle dense, upright, lengthened-oval, short rough branches; 

 panicle three to five inches in length. Spikelets numerous, 

 narrow, long, one floret, which is shorter than the calyx. Calyx 

 consisting of two unequal-sized acute glumes, devoid of lateral 

 ribs. Floret of two pales, the outer one five-ribbed, the dorsal 

 rib toothed; base slightly hairy. Palea equal in length. Stern 

 upright, smooth, polished, circular, carrying three or four leaves 

 with somewhat rough sheaths, uppermost sheath of about 

 the same length as its leaf, having a lengthened lance-shaped 

 membranous ligule at its apex. Joints smooth. Leaves narrow, 

 smooth, pointed, glaucous, and rigid. Inflorescence panicled. 

 Length from eighteen to twenty-four inches. Root creeping 

 and perennial. 



Flowers at the beginning of July. 



My thanks are due to Mr. Joseph Sidebotham for specimens 

 gathered at Fleetwood. 



The illustration is from a specimen procured at Lytham. 



