I.YMI'. (iRASS 221 



on the south and cast coast make a characteristic feature of coastal 

 botanical formations, growing- on sandy coasts, ami invadiny the inland 

 districts in a few places where dunes abound. 



The stems are prostrate, afterwards erect, smooth, rounded, with 

 numerous leaves. The leaves are short, flat. bluish-«ireen, rou_t,di, with 

 downy lower shcallis, the upper ones swollen. The liL;ule is very 

 short. 



The (lowers are in an erect spike, with 3 spreading; spikelets, rii^id. 

 with all the illumes rough, aiul the inner ujlume of the middle spikelet 

 is egg-shajied, the others are bristle-likt-, the lateral llorels l)eing 

 lanceolate and imperfect. 'Ihe spike is erect and thick. 



The plant is i ft. in height. I-'lowers are in bloom in June anil 

 July. -Scjuirrcl Tail Cirass is an annual, propagated by seeds. 



It is anemophilous, and pollinated, like Common Wall Barley, by 

 the wind. The spikelets are in groups of 3 on the rachis, and form a 

 dense spike. Each is i -flowered when perfect, but the central or two 

 lateral flowers are often male or sterile. 



The fruit is light, and adapted for wind dispersal. Scjuirrel Tail 

 Grass is a salt-lover, and grows best in saline .soil, being also a 

 sand plant and addicted to .sand .soil. 



This plant is galled by Cccidouiyia destructor, Diplosis flava, and 

 another fly, Osii)iia tritici. 



The second Latin name refers to its maritime habitat, and the 

 generic name is the Latin for barley. 



This grass is called Squirrel Tail Gra.ss and .Sijuirrel Tail. 



KssEXTi.vL Sr-Kciric Chakactkrs: — 

 346. Hordeum maritiminn, Huds. — Stem and leaves as in 345, 

 glumes asperous, inner of lateral florets subovate, spike erect, nearly 

 round. 



Lyme Grass (I'lymus arcnarius, L.) 



Lyme Grass is not found in any early plant bed.s. It is distributed 

 in Europe, N. Asia, and N. America in the Temperate Zone. In 

 Great Britain it is f<_)untl in .Somerset, Dorset. .S. Hants, Su.sse.x, 

 E. Suffolk, Norfolk. Merioneth, Carnarvon, Anglesea, \. Lines, 

 S. Lanes, S.E. Yorks, N.E. ^'orks, Durham, Northumberland, 

 Cheviotland, Cumberland, Ayr, Haddington, Fife, Kincardine, Aber- 

 deen, Banff, Fllgin, Easterness, W'esterness, Clyde Is., Cantire, 

 N. Ebudes, \V. Ross, Sutherlantl, Caithness, Northern Isles. I'mm 

 Esse.\ and N. Wales it ranges to the .Shetlands, and occurs in Irel.uid 

 and the Channel Island.s. 



