284 A NEW PLOKA OF 



3. A. caryophyllea, L. Native. British type. Area C, N, D. 



Eange 1. 



Frequent in sandy ground, ascending Coquetdale to Alwinton, 

 Eedesdale to Rochester, Teesdale to 300 yards near Middleton. 



4. A. precox, L. Native. British type. Area C, N, D. 



Eange 1, 2. 



Frequent on sandy heaths, ascending to 500 yards in Eookhope 

 and East Allendale. 



12. AVENA, L. 



1. A. fatua, L. Colonist. British type. Area C, N, D. 



Eange 1. 



A common weed in cultivated fields, ascending in Coquetdale 

 to Alwinton, "Weardale to Frosterley, 200 yards. 



2. A. strigosa, Schreb. Colonist. British type. Area C, D. 



Eange I, 2. 



An occasional weed, but much less frequent than the preced- 

 ing. Alnwick, Eavensworth, Tanfleld, Burnopfield, Sunderland, 

 Castle Eden, St. John's Chapel, 350 yards. Bishop Auckland, &c. 



3. A. pratensis, L. Native. Xerophilous. British type. 



Area C, N, D. Eange 1, 2. 



Frequent on the limestone and porphyry, ascending to Heath- 

 pool Linn, Sharperton, and in Harwood to the Main Limestone 

 cliffs, 550 yards. 



4. A. puhescem, L. Native. British type. Area C, N, D. 



Eange 1-3. 



Everywhere common in pastures, ascending to 550 yards in 

 Harwood Dale near Grrasshill. 



5. A. flmescens, L. Native. English type. Area C, N, D. 



Eange 1, 2. 



Everywhere common in grassy places, ascending to 550 yards 

 in East Allendale. 



