TRITICUM REPJSN& 



TRITICUM REPENS. 



SMITH. HOOKER AND ARNOTT. PARNELL. SINCLAIR. 



DEAKIN. KOCH. LINDLEY. GREVILLE. BABINGTON \\~ILLDENOW. 



KNAPP. SCHRADER. HOST. LEERS. SCHREBER EHRHART. HUDSON. 



WITHERING. HULL. RELHAN. SIBTHORP. ABBOT. MARTYN. 



KUNTH. MACREIGHT. 



PLATE LXV. A. 



Triticum littorale^ HOST. 



junceum, RELHAN. 



Agropyrum repens, BEAUVAIS. LINDLEY. 



Elymus arenarius, HUDSON. 



The Creeping Wheat- Grass, or Couch- Grass. 

 Triticum Wheat. Repens Creeping. 



ONE of the most troublesome weeds that the farmer has to 

 encounter, being difficult to eradicate from the soil having long 

 creeping roots, which branch out in every direction. 



It is common everywhere in England, Scotland, and Ireland. Also 

 a native of Iceland, Russia, Norway, Sweden, Switzerland, Italy, 

 France, Germany, Spain, Portugal, and the United States; yet not 

 found above the altitude of six hundred feet. 



Stem upright, circular, smooth, and striated, carrying five or six 

 flat acute leaves with smooth striated sheaths; upper one shorter than 

 its leaf, and having a very brief blunt ligule at its apex. Inflorescence 

 spiked. Spike upright; spikelets oval, of four or five awnless florets, 

 and placed alternately on the zigzag rachis in rows. Calyx consisting 

 of two equal, acute glumes. Florets of two paleae, exterior one of 

 basal floret five-ribbed, harsh, and acute. Inner palea, minutely 

 dentated, and having two green marginal ribs. Length from twelve 

 to twenty-tour inches. Root perennial and creeping. 



