161 



BROMUS STERILIS. 



LlNN^US. HOOKEE AND ABNOTT. SMITH. PAENELL. GrBEVILLE. 



LlNDLEY. HOST. KOCH. WlLLDENOW. CUETIS. MAETYN. 



KNAPP. GEEAEDE. SOCLAIB. SCHEADEE. LEEES. EHEHAET. EJTNTH. 



BABINGTON. MACEEIGHT. DEAKIN. 



PLATE LIII. 



Bromus grandiflorus, WEIGEL. 



The Barren Brome Grass. 



Bromus Food. Sterilis Barren. 



A COMMON, road-side, useless agricultural Grass, growing in 

 dry shady situations. 



Found in England, Scotland, Ireland, France, Germany, Italy, 

 Norway, Sweden, Lapland, and Northern Africa. 



Stem circular, rough, and striated, carrying four or five flat, 

 linear, pubescent, acute leaves, with rough striated sheaths, the 

 upper one of same length as its leaf, and having a blunt 

 ragged ligule at the apex. Joints five, naked. Inflorescence 

 panicled, pale green in colour, and sometimes tinged with purple. 

 Panicle spreading and drooping, having long, slender, rough 

 branches. Spikelets mostly of eight awned florets, lanceolate 

 and lengthy. Calyx of two unequal acute glumes, the upper 

 one having three rough ribs, the lower one destitute of lateral 

 ribs. Florets of two palese, the exterior one of basal floret 

 longer than the calyx; margins membranous; summit bifid; 

 seven-ribbed, the dorsal rib ending in a rough awn, which is 



