YELLOW HORNED POPPY 167 



to keep the coasts intact from the ravages of the sea in many places. 

 Hedgehog Grass, Squirrel-tail Grass, Seaside Manna Grass are typical 

 seaside grasses which grow on sand or clay. Grass Wrack grows in 

 the sea. 



There are some 100 littoral plants, about 28 of which we have in- 

 cluded. Three at least grow inland, Sea Campion, Sea Plantain, and 

 Thrift. Some twenty more are natives of salt marshes, &c. 



Yellow Horned Poppy (Glaucium rlavum, Crantz) 



No seeds of this plant have been detected in Glacial beds. It is a 

 plant of the Warm Temperate Zone, common to Europe, N. Africa, 



YELLOW HORNED POPPY (Glaucium flavum, Crantz) 



and Western Asia. It has been introduced in the United States. It 

 is absent from Merioneth and Flint in N. Wales, arid occurs in 

 N. Lines only in the Trent province, and in the H umber province 

 only in S.E. and N.E. Yorks. It is not found in the Isle of Man. 

 In the E. Lowlands it only occurs in Berwick, Haddington, Linlithgow; 

 in the E. Highlands only in Fife and Kincardine. It occurs also in 

 Argyll, Dumbarton, Clyde Isles, and the Shetlancls, and elsewhere on 



