1051 



of the stream below Wince Bridge, in considerable plent}" ; more spar- 

 ingly higher up the river. Range of elevation, 300 — 400 yards. 



Hieracium pallescens scapigerum, Fr. On the rocks of Falcon 

 Glints, Durham, at an elevation of 400 —500 yards. Formerly sup- 

 posed to be H. plumbeum, Fries (Phytol. iv. 453). 



Hieracium Saxijragum vimineum, Fr. With H. pilosum, at the 

 eastern extremity of Falcon Glints, Durham, very sparingly, at an 

 elevation of upwards of 400 yards. 



Hieracium murorum, L. ; H. nudicaule, Edmondst. Rocks on the 

 Durham side of the Tees, below the High Force. 



Hieracium ccesium, Fr. On the Yorkshire side of the Tees, below 

 Gotherstone, and near Wince Bridge ; on the Durham bank, near the 

 High Force ; and other localities. 



Hieracium vulgatum, Fr. Frequent throughout Teesdale. Var. 

 medium, Fr. On rocks in High-Force Wood, Durham. 



Hieracium gothicum, Fr. On both sides of the Tees, about Wince 

 Bridge ; and on the Durham side, above the High Force and Lang- 

 don Bridge. Range of elevation, 300 — 400 yards. Var. humillimum, 

 Fr., is the most frequent form. Differs considerably from the plant 

 of " Hook & Ockham," Surrey and Kent, distributed under this 

 name last season, through the Botanical Society of London (Phytol. 

 iv. 934). 



Hieracium trideniatum, Fr. Ascends to 350 yards (45 deg.), in 

 the High-Force Wood, Durham. 



Hieracium crocatum, Fr. The ordinary form of this species, with 

 the vars. dilatatum and angustaium, Fr., grow plentifully on both 

 sides of the Tees, about the bridges of Wince and Lower Gronkley ', 

 and more sparingly at the High Force. 



Hieracium corymhosum, Fr. On the Yorkshire side of the Tees, 

 below Holwick ; about Wince Bridge ; and on the Durham bank, at 

 the High Force and above Langdon Bridge. Range of elevation, 

 300—400 yards. 



Hieracium horeale, Fr. Ascends to 400 yards (44 deg.), with the 

 former, above the bridge of the Alston road, over Langdon Beck. 



Serratula tinctoria. Ascends to 300 yards (45 deg.), on the banks 

 of the Tees, at Wince Bridge. Superagrarian zone. 



Carlina vulgaris. Ascends to 350 yards (45 deg.), on Force-Garth 

 Scars, Durham. 



Centaurea nigra, var. radiata. On (;he Yorkshire bank of the 

 Tees, at Wince Bridge. 



Pyrethrum Parthenium. Ascends to 200 yards (46 deg.), on a 



