ON THE HIERACIA OF NORTH YORKSHIRE. 231 
On the Durham side, all along Falcon Clints, but to a con- 
siderable extent in inaccessible situations, and appearing again 
on the rocks near the High Force. On the Yorkshire bank, in 
two or three places, amongst Cronkley Scars, and near Wince 
bridge, and probably in other stations in Upper Teesdale. Upon 
the basalt the leaves are thin and flaccid, forming a dense basai 
rosette, the inner phyllaries acuminate, the peduncles and in- 
volucres almost or entirely without white stellate down. This is 
the plant mentioned, ‘ Phytologist,’ iv. 1051, under the names of 
H. pallescens scapigerum. In the form which grows upon the 
limestone on the eastern extremity of Falcon Clints, with H. 
wricum and cerinthoides, the leaves are fewer and thicker, the 
phyllaries broader and blunter, and the peduncles and involucres 
more or less thickly covered with white stellate down. The latter 
was at first supposed to be identical with H. saxifragum, Fries 
(vide Bab. Man. edit. 3; ‘ Phytologist, loc. cit.), which, though 
not known to British botanists, is quoted in the ‘Symbol’ as 
an inhabitant of this country. A specimen of this variety in 
my collection, from shady places in the High Force Wood, has 
four stem-leaves, but this is quite unusual. An example of H. 
Schmidiu, from Bohemia, which I saw lately in Rehskiner’s 
‘Plante Alpine,’ agrees very well with the plant of Falcon 
Clints. Professor Walker Arnott (Br. Fl. edit. 7) localizes this 
much misunderstood plant in Teesdale only, but it grows also 
in many other parts of Britain, and is by no means entirely 
absent from the Highlands of Scotland. The late much la- 
mented Dr. G. Johnston was perfectly correct in suggesting the 
identity of his H. murorum, var. 8, (vide Terra Lindisfarnensis, 
p- 118,) with this species, as authenticated examples from the 
locality (Dunsdale, Cheviots), with which he furnished me, amply 
prove. The leaves of H. pallidum, especially of the pallescens 
scapigerum form, are mostly conspicuously ciliated at the mar- 
gin, which character, taken in conjunction with its pure yellow 
styles, furnishes the best mark by which to distinguish it from 
Hf. murorum, with which it is far more likely to be confused than 
with any of the varieties of cerinthoides. Range of elevation, 
300-500 yards. 
(To be continued.) 
