GRAMINE^ 195 



41. NarduruS, Rchb. 



Resembling Agropyrum; but spikelets stalked. Not 

 alpine. 



N. unilateralis, Boiss. (tenellus, Rchb., Festuca tenui- 

 flora, 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-flowefed. Not alpine. 



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

 very common by road-sides ; pratense, Huds. {secalinum, 

 Schreb.), meadows, rare ; and sylvaticum, Huds. [Elymus 

 europeeus, L.), mountain woods. 



43. Gaudinia, Beauv. 



Resembling Agropyrum; but fruit contracted at the 

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



G. fragilis, 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.. striata, L., Mat Grass; densely c^spitose, leaves 

 setaceous, rigid, spikelets awned ; mountain pastures. 



