GRAMINE^ 195 



41. Nardurus, Rchb. 



Resembling Agropyrum ; but spikelets stalked. Not 

 alpine. 



N. unilateralism Boiss. {ienellus^ Rchb., Festuca tenui- 

 floraj Koch) ; spike unilateral, flowers generally with a 

 long awn ; dry places, rare ; Geneva, Valais, Saleve, 

 Dauphiny, N. Lachenalii, Godr. ; spike distichous, flower 

 usually not awned ; dry places ; Ticino, Aargau. 



42. HORDEUM, L. 



Spikelets 2-3 in each cluster, i -flowered. Not alpine. 



The English species H. murinuniy L., Wild Barley, 

 very common by road-sides ; pratense^ Huds. {secalinumy 

 Schreb.), meadows, rare ; and sylvaticum^ Huds. {Elymtis 

 europcBuSy L.), mountain woods. 



43. Gaudinia, Beauv. 



Resembling Agropyrum ; but fruit contracted at the 

 apex, and ending in a small ciliated cup. Not alpine. 



G. fragiliSy Beauv. ; spike long, slender, rachis geni- 

 culate, stem branching from the base ; road-sides ; Vaud, 

 Valais, Geneva, Jura. 



44. NARDUS, L. 



Spikelet solitary, secund, i -flowered; empty glumes o. 

 N. stricta, L., Mat Grass; densely caespitose, leaves 

 setaceous, rigid, spikelets awned ; mountain pastures. 



