248 A NEW FLOEA 0¥ 



6. SALIX, L. 



1. S. pentandra, L. Native. Scottish type. Area C, N, D. 



Range 1, 2. 



Frequent in damp woods and by stream- sides, ascending in 

 Coquetdale to Harbottle, in Allendale to 450 yards, and in Tees- 

 dale to the junction of the Whey Site with Harwood Beck. 

 Winch's S. amygdalina is this species, not S. tricmdra. 



2. S. fragilis, L. Native. British type. Area C, N, D. 



Range 1, 2. 



Common by stream-sides and in damp woods, ascending in 

 Weardale to 1000 feet near St. John's Chapel, and in East Allen- 

 dale to 450 yards, but perhaps not indigenous in the Middle 

 zone. 



3. 8. alba, L. Native. British type. Area C, N, D. 



Range 1. 



Stream-sides and damp woods, often associated with the last, 

 ascending in Allendale to 250 yards near Catton. Vars. ccerulea 

 and vitellina both occur occasionally. 



4. 8. triandra, L. Native. English type. Area C, N, D. 



Range 1. 



Frequent by stream-sides in the low country, ascending to the 

 Till at Wooler and the mouth of the Erring Burn at Barrasford. 



5. 8. purpurea, L. Native. British type. Area C, N, D. 



Range 1, 2. 



Stream-sides and damp woods, most frequent in the dales, as 

 by the Tees about Middleton, the Wooler Water below Caldgate 

 Mill, the Till at Branton, the Coquet at Sharperton. Ascends 

 in East Allendale to 1450 feet. Var. Helix not uncommon. 



6. 8. rubra, Huds. Native. English type. Area C, N, D. 



Range 1. 



Stream-sides, confined to the low country. Banks of the Wooler 

 Water, Tyne, Team, Derwent, Wear, and Tees. 



