NORTHUMBERLAND AND DURHAM. 285 



13. ARRHENATHERUM, Beauv. 



1. A. avenaceu)n,'^Q?cyi.\. Native. British type. Area C, N. 

 D. Range 1,2. 



Common upon hedge-banks and in thickets, ascending to 450 

 yards in East Allendale, 500 yards in Harwood Dale. Var. 

 hulhosum is common in dry places. 



U. HOLCUS, L. 



1. H. lanatus, L. Native. British type. Area C, N, D. 



Eange 1, 2. 

 Everywhere common in grassy places, ascending to 550 yards 

 on Cheviot and in East Allendale. 



2. H. mollis, L. Native. British type. Area C, N, D. 



Eange 1, 2. 



Prequent in thickets and woods, ascending to 400 yards in 

 Teesdale, 500 yards in East Allendale. 



15. TRIODIA, R. Br. 



1. T. decumlenSj'^edM.Y. Native. British type. Area C, N, 

 D. Eange 1, 2. 



Common in dry places, ascending in Teesdale to 500 yards on 

 Widdy Bank Fell, to 450 yards on Cheviot. 



16. KOELERIA, Pers. 



1. K. crisfata, Pers. Native. British type. Area C, N, 1). 

 Eange 1, 2. 



Common in dry grassy places, ascending in Teesdale to 500 

 yards on Widdy Bank Eell. 



17. MELICA, L. 



1. M. uniflora, Eetz. Native. British type. Area C, N, D. 

 Eange 1, 2. 



Common in woods and thickets, ascending in Teesdale to 350 

 yards, and high up in Hareshaw and Tecket Denes. 



