7 6 



Hairy ; blades small and narrow ; ligule very short ; 

 eared in Festur,a. 

 Blade taper-based. 



Koeleria cristata, Pers. (Crested koeleria). Ribs 

 mixed (X. contd., 22, 23, 24.) Glaucous varieties 

 occur. 



No hair on lower surface of blade ; ligule eared. 



Festuca sciuroides, Roth. (Barren fescue). Ribs 

 uniform and acute, covered by hair, which is as 

 long as the ribs are high. An annual species. 



(In varieties of Festuca ovina, the hair on the ribs is 

 quite short, and merely causes roughness.) 



NOTES ON GROUP XIV. 



1. Hard-bladed sandbinders. 

 Elymus. Eared blade. 



Psamma. Earless blade ; common. 



2. Loliu/n, Cy no sums, Festuca. Ligule extremely 

 short ; lower surface of blade keeled, very smooth, 

 and strongly shining. 



Lolinm perenm and Italicum f In the first year of growth, 

 the blades of L. perenne may be rolled, like those of 

 Italicum. The mid-rib, in such a case, distinguishes the 

 species. 



Mid-rib 



L. perenne. 



Rounded. 



L. Italicum. 



Quite flat. 



Allies of Festuca elatior. 



Broums giganteus, L. The leaves of this species are very 

 similar to those of F. elatior. The blades are broader, 

 and the marginal teeth at the base are often prolonged 

 into bristle hairs. 

 Bromus erectus^ Huds., is distinguished thus : 



F. elatior. B. erectus. 



Sheath 



Blade.. 



Split ; never hairy. 



.Entire, except at apex 

 usually hairy. 



Rolled ; usually eared. | Folded ; never eared. 



