236 



M.OWERS OF WASTE PLACES, ETC. 



Essential Specific Charac- 

 ters: — 



270. Riniiex obtiisifolms, L. 

 Stem tall, rit^id, leaves ovate, cor- 

 date, below obtuse, upj)cr lanceolate, 

 flowers in distant whorls, petals en- 

 larged, upper sepal tubercled. 



Wall Barley (Ilordi-um 

 nuirinuni, L. ) 



Almost ubi(|iiitous in some places. 

 Wall Barley is found in the North 

 Temperate Zone in Europe from 

 Scotland southward, and in North 

 Airica. It is found in the whole of 

 South Britain, but not in Brecon, 

 Radnor, and Flint in Mid, and N. 

 Britain in the Trent, JNIersey, H um- 

 ber provinces, except in S.-E. Yorks, 

 Tvne district, onlv in Cumberland 

 in the Lakes province. In Scotland 

 it is found in Wigtown, Ayr, Rox- 

 burgh, Berwick, Haddington, Edin- 

 burgh, Linlithgow, F'ife, Stirling, 

 Forfar, Kincardine, Elgin, Caithness, 

 or as far north as Caithness, and in 

 \\. Scotland Qenerallv. It is verv 

 rare in Ireland and the Channel 

 Islands. 



Wall Barley is a common plant 

 in all waste places, growing in dense 

 masses on ground awaiting building 

 operations, along the boundaries of 

 gardens, along the roadside, in towns 

 as well as in \illages. It also grows 

 in cultivated fields, where it is better 

 developed. 



The stems are numerous, sub- 

 erect, prostrate then ascending, below 

 leafy, jointed, with large nodes paler 



Wall Baklkv {Hordeuni murinum, L.) 



