HORDEUM MURINUM. 189 



HORDEUM MURINUM. 



LINNAEUS. HOOKER AND ARNOTT. KUNTH. BABINGTON. 



KOCH. SMITH. PARNELL. GREVILLE. LINDLEY. WILLDENOW. 



REICH ENBACH. RELHAN. CURTIS. MARTYN. KNAPP. HOST SINCLAIR. 



SCHRADER. DlCKSON. SlBTHORP. ABBOT. OEDER. EHRHART. 



HUDSON. WITHERING. HULL. MACREIGHT. DEAKIN. 



PLATE LXIII. B. 



Hordeum spurium, GERARDE. 



The Wall Barley. 

 Hordeum ? Murinum A wall. 



A VERY common English Grass, growing on waste grounds, on road- 

 -L-JL- sides, and by walls. Common in the south of Europe and in 

 Germany. 



A useless agricultural Grass. 



Stem circular, upright, and smooth, carrying three or four linear, 

 flat, somewhat hirsute roughish leaves, with smooth striated sheaths, 

 the upper one extending beyond its leaf, and having at its apex a brief 

 jagged ligule. Joints smooth. Inflorescence spiked; the spike two 

 inches long, dense, and compact. Spikelets in threes, and consisting 

 of one awned floret. Calyx of two equal-sized glumes, and ending in 

 a lengthy rough awn. Central floret consisting of two palege, exterior 

 one ovate and three-ribbed, interior one membranous. Length from 

 twelve to thirteen inches. Root annual and fibrous. 



Flowers at the commencement of July, and ripens its seed in a 

 month. 



The specimen illustrated was gathered in Nottingham Park. 



